Find the x-intercept and y- intercept of the function f(x) = (2x + 3)/(x ^ 2 + 3)can u draw the function of f(x) = (2x + 3)/(x ^ 2 + 3)?Need solution ^^

Answers

Answer 1

Answer:

• x-intercept: (-1.5, 0).

,

• y-intercept: (0, 1).

Explanation:

Given the function:

[tex]f(x)=\frac{2x+3}{x^2+3}[/tex]

(a)x-intercept

The x-intercept is the value of x at which f(x)=0.

When f(x)=0

[tex]\begin{gathered} \frac{2x+3}{x^2+3}=0 \\ \text{ Cross multiply} \\ 2x+3=0 \\ \text{ Subtract 3 from both sides of the equation} \\ 2x+3-3=0-3 \\ 2x=-3 \\ \text{ Divide both sides of the equation by 2} \\ \frac{2x}{2}=-\frac{3}{2} \\ x=-1.5 \end{gathered}[/tex]

The x-intercept is located at (-1.5, 0).

(b)y-intercept

The y-intercept is the value of f(x) at which x=0.

When x=0

[tex]\begin{gathered} f(x)=\frac{2x+3}{x^2+3} \\ f(x)=\frac{3}{3} \\ f(x)=1 \end{gathered}[/tex]

The y-intercept is at (0, 1).

(c)Graph

The graph of f(x) is given below:

Find The X-intercept And Y- Intercept Of The Function F(x) = (2x + 3)/(x ^ 2 + 3)can U Draw The Function

Related Questions

Eric and Nancy both had a successful year selling fish tanks for theirrespective employers, and so they were both given raises.Eric: Eric's base salary is still $1400, but now he makes a commission of$100 for each fish tank that he sells.Nancy: Nancy now gets a base salary of $500 per month, but her commissionhas stayed the same at $250 per fish tank.Eric and Nancy still want to make sure that they contribute the same amountto their total monthly income, and Nancy proposes using algebra to figureout how many fish tanks that they would each need to sell. She tells Ericthat he can calculate his monthly income by using the formula f(x) = 100x +1400. She says that she can calculate her own salary by using the functiong(x)=250x + 500.1 What does the variable x represent in Nancy's formulas?How do you know?

Answers

Answer:

The variable x represents the number of fish tanks he/she sells.

Explanation:

Given that Eric's base salary is still $1400, but now he makes a commission of

$100 for each fish tank that he sells and Nancy now gets a base salary of $500 per month, but her commission has stayed the same at $250 per fish tank.

Eric's total income would be;

$1400 plus $100 times the number of fish tanks he sells.

[tex]f(x)=1400+100x[/tex]

and Nancy's total income would be;

$500 plus $250 times the number of fish tanks she sells.

[tex]f(x)=500+250x[/tex]

Therefore, the variable x represents the number of fish tanks he/she sells.

The number of fish tanks each of them sells will determine the total commission and also determines their total income.

help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

80.58

Step-by-step explanation:

do you need an explanation or will this be fine?

Find the volume and surface area of a right cone with a radius of 4 inches and a height of 7 inches

Answers

Volume of a cone =

[tex]v=\frac{1}{3}\pi r^2h[/tex]

From the question;

r= 4 h=7

π is a constant and it is equal to 22/7

substitute the values into the formula;

[tex]V=\frac{1}{3}\times\frac{22}{7}\times4^2\times7[/tex][tex]V=\text{ }\frac{2464}{21}[/tex]

[tex]V=117.33inch^3[/tex]

The question to the second Image below
Q: Solving which system leads to a contradiction where there is no solution?

Answers

The system of equations given has infinitely number of solutions.

System of Equation

A system of equations is a set of two or more equations with the same variables. A solution to a system of equations is a set of values for the variable that satisfy all the equations simultaneously.

system of equations, or simultaneous equations, In algebra, two or more equations to be solved together (i.e., the solution must satisfy all the equations in the system). For a system to have a unique solution, the number of equations must equal the number of unknowns.

In the given question, we can solve for the equation given;

[tex]y = 4x + 5\\-8x + 2y = 10\\[/tex]

Solving for both x and y;

The solution of the equation is y = 4x + 5

The system has infinitely many solutions;

In the second system of equations;

y = 0.5x + 3, x = 2y = -16

This equation is not correct.

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Select the two values of x that are roots of this equation.
x2 + 3x – 5 = 0

Answers

The two values for the quadratic equation [tex]x^{2} +3x-5=0[/tex] is [tex]\frac{-3+\sqrt{29} }{2}[/tex] and [tex]\frac{-3-\sqrt{29} }{2}[/tex]

What is quadratic equation?

Quadratic equation is a second-order equation written as ax2 + bx + c = 0 where a, b, and c are coefficients of real numbers and a ≠ 0.

The solution of the x = [-b±√(b2-4ac)]/2a

where b= 3 a= 1 and c = -5.

x = -3±[tex]\sqrt{3^{2}-4(1)(-5) } /2[/tex]

x=[tex]\frac{-3-\sqrt{29} }{2}[/tex]

and x = [tex]\frac{-3+\sqrt{29} }{2}[/tex]

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Kelly downloaded 195 pictures from her cell phone to her computer. These pictures took up 585 megabytes of space on her computer. Each picture took up the same amount of space. How many megabytes do 39 of these pictures take?

Answers

The amount of space taken by 39 of these pictures is 117 megabytes.

What is the unitary method?

The unitary approach is a problem-solving process that begins by identifying the value of a single unit and then multiplying that value by the needed value.

Given:

Number of pictures downloaded by Kelly from her cell phone to her computer = 195

Amount of space taken by the pictures = 585 megabytes

Now, an equal amount of space is taken by each picture.

To determine, the megabytes taken by 39 of these pictures.

By the unitary method,

195 pictures = 585 megabytes

39 pictures = ? megabytes

Divide 585 megabytes by the number of pictures 195 and then multiply it by 39.

= (585/195) × 39

= 117 megabytes

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Finding the absolute maximum and minimum of a function given the graph

Answers

Explanation

An absolute maximum point is a point where the function obtains its greatest possible value.

Similarly, an absolute minimum point is a point where the function obtains its least possible value.

Step 1

check the graph of g:

The y- coordinates (output) at the highest and lowest points are called the absolute maximum and absolute minimum

To locate absolute maxima and minima from a graph, we need to observe the graph to determine where the graph attains it highest and lowest points on the domain of the function

so, for G

[tex]\begin{gathered} \text{maximum}=\text{ None ( the graph continues raising up)} \\ \text{minimum}=-3 \end{gathered}[/tex]

Step 2

Now, for h

[tex]\begin{gathered} \text{ Minimum; -5} \\ \text{ ma}\xi mum\colon5 \end{gathered}[/tex]

I hope this helps you

Which is the area of the circle shown? Use 3.14 for π.

1. 18.84 m^2
2. 37.68 m^2
3. 113.04 m^2
4. 354.95 m^2

Answers

Answer:

3: 113.04 m^2

Step-by-step explanation:

pi r^2

3.14 x 36

= 113.04 m^2

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The measures of the angles of a triangle are shown in the figure below. Solve for x.
34°
46°

Answers

The measures of the angle x in the triangle is 100 degrees

How to determine the measures of the angle?

From the question, we have the following parameters that can be used in our computation:

Angles = 34, 46 and x

The sum of angles in a triangle add up to 180 degrees

This is represented as

Sum of angles = 180

Substitute the known values in the above equation

So, we have

34 + 46 + x = 180

Evaluate the like terms in the above equation

So, we have

80 + x = 180

Evaluate the like terms in the above equation

So, we have

x = 100

Hence, the value of x is 100

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A side mirror of a small pick up truck is similar to that of a larger full size pickup truck. If the smaller truck has a rectangular side mirror of width 5.0 in. and height 6.0 in., what is the height in inches of the larger mirror if the width is 10.0 in.?

Answers

If the width of larger full size pickup truck is 10.0 in. then its height is equal to 12inches.

As given in the question,

Side mirror of a small pick up truck is similar to larger full size pick up truck.

Smaller truck has rectangular side mirror

Width = 5.0 in.

Height = 6.0 in.

Larger mirror

Width = 10.0 in.

Let h be the height of the larger mirror

Both the mirrors are similar and rectangular in shape.

Hence, sides are in proportion

5 /6 = 10 /h

⇒h = (6 ×10) / 5

⇒ h = 12 in.

Therefore, if the width of larger full size pickup truck is 10.0 in. then its height is equal to 12inches.

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can you please answer my homework, its about sets.

Answers

The value of the set  (A∪C)'∩B is {9 , 12} .

A subfield of mathematical logic called set theory examines sets, which are essentially collections of objects.

Set theory is a discipline of mathematics that largely addresses problems that are pertinent to mathematics as a whole, despite the fact that any kind of object can be constructed into a set.Set theory is founded on a simple binary relationship between an object o and a set A.It is written as o A if o is a part (or member) of A. Members of a set are enumerated with commas to denote separation when describing them, or a property of those parts is enclosed in braces.Sets can be associated by the membership relation since they are objects.

The given sets are:

U ={1,2,3,4,5,6,7,8,9,10,11,12,13}

A = {3,7,11,13}

B = {3,6,9,12,13}

C = {2,3,5,6,7,8}

Now B' = {1,2,4,5,7,8,10,11}

b) B'∩C = {2,5,7,8,}

c) A∪C = {2,3,5,6,7,8,11,13}

(A∪C)' = {1,4,9,10,12}

(A∪C)'∩B = {9 , 12}

Hence the value of the set (A∪C)'∩B is {9 , 12} .

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The volume of this rectangular prism is 9.044 cubic feet. What is the value of t?

Answers

The volume of a rectangular prism can be calculated with the following formula:

[tex]V=lwh[/tex]

Where "l" is the length, "w" is the width and "h" is the height.

In this case, you can set up that:

[tex]undefined[/tex]

Determine weather the sequence 6,12,24,48 could be an an arithmetic sequence.

Answers

Answer:

The sequence cannot be arithmetic.

Explanation:

Given the sequence: 6,12,24,48

We want to determine if the sequence is arithmetic.

An arithmetic sequence is a sequence made in which the next term is obtained by the addition of a constant term called the common difference.

In the given sequence:

[tex]\begin{gathered} 12-6=6 \\ 24-12=12 \\ 48-24=24 \end{gathered}[/tex]

The difference between the terms is not constant.

Therefore, the sequence cannot be arithmetic.

how do you write 4.501795324E^-6 in simpler form

Answers

The number written in scientific notation is 1.12 × 10⁻² .

Scientific notation can be used to describe values that are either too large or too little to be conveniently presented in decimal form (typically would result in a long string of digits).

In the UK, it is also known as standard form, scientific form, and standard index form.Since it may make a number of mathematical operations simpler, this base ten notation is frequently employed by scientists, mathematicians, and engineers.Scientific notation for non-zero integers is written as m × 10ⁿ, or m times ten and raised to the power of n, where n is an integer and m is a non-zero real number.

The given number is 4.501795324E⁻⁶

So simplifying we get :

4.501795324E⁻⁶  =  1.11588350 × 10⁻²

Therefore the number written in scientific notation is 1.12 × 10⁻² .

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line m and n are parallel when x=

Answers

we have those angles must measure the same so

[tex]\begin{gathered} 4x-6=150 \\ 4x=156 \\ x=\frac{156}{4}=39 \end{gathered}[/tex]

so x=39

Jay's family is moving to a new home they packed 22 boxes in 1 5/6 hours what is the average number of boxes they packed per hour Pls asap

Answers

Just decide the no. Of boxes by the no of hrs taken
=> 22/(11/6) => 12 boxes per hr

Here is the imagine of the triangle ABC and it’s dilations using center D and scale factor 2

Answers

(3) The question state that we should explain the relationship between angle ACB and A'C'B' in the given diagram.

From the the diagram in the question, we can see that wa have two different triangle which are ABC and A'B'C'.

The relationship between angle ACB and angle A'C'B' is that they are corresponding angles. because they are on the same side of the line.

Corresponding angles are any pair of angles each of which is on the same side of one of two lines cut by a trasnsversal and on the same side of the transversal.

Therefore, the relationship between angle ACB and angle A'C'B' is that they are corresponding angles.

9 is subtracted from the square of a number

Answers

X^2-9 hope this helps!!


Determine the average rate of change of f(x) = 4x²+x+3 over the interval [-2, 2].

Answers

Answer:  The average rate of change is 1.

Step-by-step explanation:

The average rate of change f(x) on the interval [a,b] is (f(b)−f(a))/(b−a)

a=−2 , b=2, f(x)=4X^2+x+3.

(f(b)-f(a))/(b-a)= (3+(2)+4(2)^2-(3+(-2)+4(-2)^2)) / (2-(-2)) = 1

A tailor has 20 yards of shirt fabric. How many shirts can she
complete if each shirt requires 2% yards of fabric?

Answers

Answer:

2%/100% ×20=

Step-by-step explanation:

from this one of the zeros from the hundred would cancel the zero from 20 which will give you 2/10×2 and mind you percentage cancel percentage. from this 2 will cancel 10 leaving the answer 2 over 5

Find the y-intercept of line on the graph.

Answers

Answer:

-3

Step-by-step explanation:

the 'y- intercept ' is  ACTUALLY the 'y-axis intercept'.......this is where the graph crosses the y - axis    ....for this graph this is -3

the mass of a car is 1990kg rounded to the nearest kilogram. the mass of a person is 58.7kg rounded to one decimal place. write the error interval for the combined mass, m, of the car and the person in the form _______

Answers

The error interval for the combined mass (m) of the car and the person is 2047.7 ≤ m < 2049.7

What is an inequality?

An inequality can be defined as a mathematical relation that compares two (2) or more integers and variables in an equation based on any of the following arguments (symbols):

Greater than (>).Less than (<).Greater than or equal to (≥).Less than or equal to (≤).

The error interval for the mass of car is given by:

Mass of car = 1990 ± 0.5;

Mass of car = 1990 + 0.5 = 1990.5

Mass of car = 1990 - 0.5 = 1989.5

The error interval for the mass of a person is given by:

b = 1990 ± 0.5;

b = 58.7 + 0.5 = 59.2

b = 58.7 - 0.5 = 58.2

For the value of a and b, we have:

a = 1989.5 + 58.2 = 2047.7

b = 1990.5 + 59.2 = 2049.7

Next, we would calculate the combined mass (m):

m = 1990 + 58.7

m = 2048.7

Now, we can write the error interval for the combined mass (m) of the car and the person as follows:

a ≤ m < b

2047.7 ≤ m < 2049.7

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Write the rule for the table, use z for the input.Input-1Output7012co woo WN3.4F(0)

Answers

Lets assume that the input values are x values and the output values are y values.

Then you will have pairs of coordinate values as shown;

(-1,7) , (0,2) , (1,-3) , (2,-8), (3,-13), (4,-18)

Using the coordinates find the slope a;

(-1,7) and (0,2) ---------slope is change in y-values/ change in x-values , (2-7) /(0--1)

= -5/ 1 = -5

Do the same for the next pair of coordinates ,(0,2) and (1,-3) , (-3-2) / (1-0) = -5/1 = -5

If you continue the procedure to the next pair which is (1,-3) and (2,-8) to get the slope as : (-8- -3) / (2-1) = -5/1 = -5

This means that the slope is -5

The relation will be represented by the equation y= mx + c where m is the slope and c is the y-intercept

First plot the points to visualize the graph

From the plot, you notice that when the points are joined, a straight graph is formed sloping to the negative side and intersecting the y-axis at point (0,2).

So to determine the rule, we apply the equation y= mx + c with m= -5 and c =2

This gives y= -5 x + 2

The rule is f(x) = -5x +2 -----------answer

That is just the chart. Disregard question 6. 7. A survey of 381 adult females produced a mean height of 65.2 inches with a standard deviation of 2.8 inches. Construct a confidence interval based on a 95% confidence level.O (64.92, 65.48)© (64.83, 65.57)O (65.19, 65.21)© (64.96, 65.44)

Answers

Step 1

Given;

[tex]\begin{gathered} n=381\text{ adults} \\ Mean\text{ \lparen}\mu)=65.2 \\ \sigma=2.8 \end{gathered}[/tex]

Step 2

The confidence interval is given as follows;

[tex]CI=\mu\pm t_{\frac{\alpha}{2}}(\frac{s}{\sqrt{n}})[/tex]

The test statistic for a 95% confidence interval with α = 0.05, the degrees of freedom, df= n-1 = 381-1=380

[tex]t_{\frac{\alpha}{2},df}=t_{\frac{0.05}{2},380}[/tex][tex]t_{\frac{\alpha}{2},df}=t_{\frac{0.05}{2},380}=1.97[/tex][tex]\begin{gathered} C.I=65.2\pm1.97(\frac{2.8}{\sqrt{381}})=65.2\pm0.2825932406 \\ C.I=(64.92,65.48) \end{gathered}[/tex]

Answer;

[tex]C.I=(64.92,65.48)[/tex]

Jonas wants to make a poster of a drawing he made. The original drawing is 8 inches wide, and he wants the poster to be 30 inches wide. What zoom button setting will he have to use on the library copier to create a poster of this size?

Answers

Answer:

He should use a 375% zoom to create a 30-inch wide poster.

Step-by-step explanation:

30/8 = 3.75, and 8*3.75=30. So 375%.

Mark as brainliest please.

The population of a small town in central Florida has shown a linear decline in the years 1995-2005. In 1995 the population was 24100 people. In 2005 it was 14800 people.

Answers

Part A:

Since the population is showing a linear decline, we can express the function P(t) as

[tex]\begin{gathered} y=mx+b \\ \text{where} \\ m\text{ is the slope} \\ b\text{ is the y-intercept} \end{gathered}[/tex]

Given two points

(1995,24100), and (2005,14800)

[tex]\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ \text{IF }\mleft(x_1,y_1\mright)=\mleft(1995,24100\mright),\text{ and }(x_2,y_2)=\mleft(2005,14800\mright),\text{ THEN} \\ \\ m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{14800-24100}{2005-1995} \\ m=\frac{-9300}{10} \\ m=-930 \end{gathered}[/tex]

Now that we have solved for the slope, we can now solve for the y-intercept. We will use the point (2005,14800), but using (1995,24100) will work just as well.

[tex]\begin{gathered} \text{IF }m=-930,\text{ and }(x,y)=\mleft(2005,14800\mright),\text{ THEN} \\ \\ y=mx+b \\ 14800=(-930)(2005)+b \\ 14800=-1864650+b \\ 14800+1864650=+b \\ 1879450=b \\ b=1879450 \end{gathered}[/tex]

Convert the function x into a function of time t, then the the function is

[tex]P(t)=-930t+1879450[/tex]

Part 2:

What will be the population in 2007.

Substitute t = 2007.

[tex]\begin{gathered} P(t)=-930t+1879450 \\ P(2007)=-930(2007)+1879450 \\ P(2007)=-1866510+1879450 \\ P(2007)=12940 \end{gathered}[/tex]

Therefore, in the year 2007, the population will be 12940.

Penny is selling candles for $3 each at a fundraiser.
If she starts selling with $4 to help her make change, how many candles, x, will she
have to sell to end up with $19?

Answers


3x + 4 = 19
Subtract 4 from both sides

3x=15
Divided by 3 on both sides

X= 5

She needs to sell 5 candles to end up with $19

Answer: x=5

Step-by-step explanation: Based on the given conditions formulate:: 4+3[tex]x[/tex]x=19

Rearrange variables to the left side of the equation: 3x=19-4

Calculate the sum or difference: 3x=15

Divide both sides of the equation by the coefficient of the variable: x=[tex]15/3[/tex]

Cross out the common factor: x=5

Please help withstandard deviation with measurements

Answers

Answer: Standard Deviation, σ: 0.23979157616564

Count, N: 8

Sum, Σx: 33.6

Mean, μ: 4.2

Variance, σ2:  0.0575

Steps

σ2 =  

Σ(xi - μ)2

N

=  

(4.5 - 4.2)2 + ... + (4.1 - 4.2)2

8

=  

0.46

8

=  0.0575

σ =  √0.0575

=  0.23979157616564

Step-by-step explanation: but here

it isnt letting me do the fraction or the other things so yeah it will look wrong but its write for the entire graph

write the equation in standard form. identify A,B, and C

Answers

we have the following:

[tex]\begin{gathered} y=5x-8 \\ \end{gathered}[/tex]

standard form

[tex]y=Ax^2+Bx+C[/tex]

Therefore:

A = 0

B = 5

C = -8

To win a trivia game, Nevan must score 90 points. Each correct answer is worth 134 points, and each incorrect answer is worth −14 points. If Nevan gets 58 questions correct and 22 questions incorrect how many points does he score?

Answers

Answer:7464

Step-by-step explanation:

90 is the score to get

let c represent correct and w represent wrong

if they get 134 points for it being correct, we can look at it like 134c

if they get -14 points for it being incorrect, we can look at it like -14w

now to put this in the right sense we fill in those letters with how many they got right and wrong : 134(58) -14(22)

This would get 7772 -308

after subtracting these two you'd get: 7464

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