What is the
Domain??
Someone pls help me outtt

What Is TheDomain??Someone Pls Help Me Outtt

Answers

Answer 1

Answer:

:]

Step-by-step explanation:

[tex]-2\leq x\leq 2[/tex]

Answer 2

Answer:

In mathematics, the domain of a function is the set of inputs accepted by the function. It is sometimes denoted by {\displaystyle \operatorname {dom} } or {\displaystyle \operatorname {dom} f}, where f is the function


Related Questions

What is the explination to the answer if I factor out the coefficient of 3/8d+3/4?

Answers

The fraction of coefficient factor out is 3/8.

What is Fraction?
A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction represents the number of pieces of a specific size, such as one-half, eight-fifths, or three-quarters. Numerators and denominators are also employed in uncommon fractions such as compound fractions, complex fractions, and mixed numerals. The numerator and denominator of positive common fractions are natural numbers.

The given expression is , 3/8d+3/4

From this, we have to eliminate the fraction for that we have to make common denominators like that,3/8 d + (3 * 2) / (4 * 2)=> 3/8 d + 6/8

Next, take out the common value i.e, 3/8=> 3/8 ( d + 2)

Therefore, the coefficient factor out is 3/8.

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HELP ME PLEASE! THIS IS URGENT!!
For what value of x will the line passing through the following pairs of points be veritcal? F(3-2x, 12) and G(x+9, 7)

Answers

By solving a linear equation, we will see that the points are vertical only if the value of x is -2.

For which value of x are the points vertical?

We say that two points (x₁, y₁) and (x₂, y₂) are vertical if the points have the same x-component and different y-component, so we must have:

x₁ = x₂

y₁ ≠ y₂

In this case, the two points are:

F(3-2x, 12) and G(x+9, 7)

The y-component is different, so we only need to have:

3 - 2x = x + 9

This is a linear equation, below I will solve it:

3 - 2x = x + 9

3 - 9 = x + 2x

-6 = 3x

-6/3 = x

-2  =x

The points are vertical if x = -2.

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5
8
of the staff are male. 5
12
of the staff works part time at
the aquarium. What fraction of the staff is female?

Answers

The fraction that are female in the company is 227/256

How to determine the fraction that are female?

The given parameters are

Male staff = 58

Total number of staff = 512

Start by calculating the number of female staffs

So, we have

Female staff = Total number of staff - Male staff

Substitute the known values in the above equation

So, we have

Female staff = 512 - 58

Evaluate the like terms

Female staff = 454

The fraction that are female is

Fraction = Female staff/Total number of staff

This gives

Fraction = 454/512

Simplify

Fraction = 227/256

Hence, the fraction is 227/256

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A string measures 30 cm about how many lnches long is the string

Answers

this would be about 12 inches because 30 cm is equal too 11.811 inches so you could round up


Find the vertex of the function given below.
y = 2x² + 4x+1
A. (3,-4)
B. (-1,-1)
C. (1,7)
D. (-4,9)

Answers

The function has the vertex value of (-1, -1)

How to calculate the vertex of the function?

From the question, the definition of the functuion is given as

y = 2x² + 4x + 1

Start by differentiating the function

This is done as follows

y' = 4x + 4

Next, we set the differentiated equation to 0

So, we have the following equation

4x + 4 = 0

This gives

4x = -4

Divide by 4

x = -1

Next, we substitute x = -1 in the given equation y = 2x² + 4x + 1

So, we have the following equation

y = 2(-1)² + 4(-1) + 1

Evaluate

y = -1

Recall that

x = -1 and y = -1

So, we have

(-1, -1)

Hence, the vertex of the function is (-1, -1)

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The vertex of the given function y = 2x² + 4x+1 is (-1, -1) which is the correct answer would be an option (B).

The function is below given by,

y = 2x² + 4x + 1

Differentiate with respect to x to get the derivative of the above function,

y' = dy/dx = d/dx (2x² + 4x + 1)

y' = 4x + 4

Equating the derivative of the function to zero

y' = 0

4x + 4 = 0

4x = -4

Divide by 4 into both sides of the equation,

x = -1

Substitute x = -1 in the given function y = 2x² + 4x + 1

y = 2(-1)² + 4(-1) + 1

y = 2(1) - 4 + 1

y = -1

Therefore, the vertex of the given function is (-1, -1).

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What is the lowest common multiple of six and nine

Answers

Answer: 18

Step-by-step explanation:   it is the smallest one in both tables.

1x6=6 2x6=12 3x6=18

1x9=9 2x9=18

hope this helped

Write the slope-intercept form of the equation of the line through the given point with the given
slope.
through: (4, -1), slope = -1/2

Answers

Answer: y=-1/2x+1

Step-by-step explanation: plug in numbers to find y intercept (b).

-1=-1/2(4)+b

-1=-2+b

b=1

y=-1/2x+1

Two quarters of the basketball game are complete. Now it is half time. Explain how this could be

Answers

Using proportions, the explanation for this is that a basketball game has four quarters, hence half-time is at the end of the second quarter.

What is a proportion?

A proportion is a fraction of a total amount, and equations can be built to find the desired measures in the problem using the basic arithmetic operations, especially multiplication and division with the unit rates in the problem.

The entirety of a basketball game is composed by:

4 quarters.

Hence the mid-point of the game is calculated as follows:

0.5 x 4 quarters = 2 quarters.

This means that the end of the second quarter is the mid-point of the game, which is why the halftime is positioned at the end of the second quarter.

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-5w/9 = 30 solve for w and simplify your answer as much as possible

Answers

After simplification of the given expression -5w /9 =30 , value of w is equal to -54.

As given in the question,

Given expression is equal to :

-5w / 9 = 30

Simplification of the given expression to get the value of w is :

-5w / 9 = 30

Multiply both the side of the given expression by 9 we get ,

-5w = 30 × 9

Divide both the side of the given expression by -5 we get,

-5w /-5 = ( 30 × 9 ) / -5

⇒ w = -(6 × 9 )

⇒ w = -54

Therefore, after simplification of the given expression -5w /9 =30 , value of w is equal to -54.

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60 cents as percent of $3

Answers

60 cents is 20% of $3.

What is the percentage?

In essence, percentages are fractions with 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100). The value of a number out of 100 is the percentage of that number. The terms "percent" and "cent" combine to make the word "percentage." Having Latin and French roots, the term "cent" means "hundred," while the word "percent" means "per hundred."

Given Data

60 cents as a percent of $3

1 dollar = 100 cents

$3 dollar = 300 cents

Percentage:

[tex]\frac{Value}{Total value}[/tex] × 100

[tex]\frac{60}{300}[/tex] ×100

20%

60 cents in 20% of $3.

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The complete question is:
"60 cents is what percent of $3."

Find the quotient of.(4.617 × 10 ^3 ) ÷ (5,700 ÷ 10^ 2 )

Answers

The quotient of the expression (4.617 × 10³ ) ÷ (5,700 ÷ 10² ) is 81.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given that;

The expression is;

(4.617 × 10³ ) ÷ (5,700 ÷ 10² )

Now, Solve the expression by using BODMAS rule;

= (4.617 × 10³ ) ÷ (5,700 ÷ 10² )

= 4,617 ÷ 57

= 81

Thus, The quotient of the expression (4.617 × 10³ ) ÷ (5,700 ÷ 10² ) is 81.

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Solve the equation for the given variable. (type "no solution" if the equation has no solution and type "all
real numbers" if the equation is valid for all possible x-values)
4(4x + 2) + 2(9x + 4) + 3 = 34x + 19

Answers

Answer:

all real numbers

Step-by-step explanation:

4(4x+2)+2(9x+4)+3=34x+19

16x+8+18x+8+3=34x+19

34x+19=34x+19

all real numbers

:]

(Inv. 1)*30. Multiple Choice Tika's math class began 18 minutes ago. Theclass will end in 37 minutes. Which equation can be used to find thelength in minutes of Tika's math class?A 18 + m = 37Bm – 37 = 18C 37 - m = 18D 18 – m = 37

Answers

Step 1

Let the length in minutes of Tika's class be m

His class had lasted already for 18 minutes

His class had 37 more minutes to end.

Step 2

Get the equation

[tex]\begin{gathered} 18\text{ + 37 = m} \\ To\text{ suit the options} \\ 18\text{ = m-37} \\ \text{Therefore,} \\ m-37\text{ = 18} \end{gathered}[/tex]

Hence the answer is option B ------ ( m - 37 = 18)

What is the
domain?
Help me plssss

Answers

1 then “x” then 5 in that order

I need helping finding out the answers … I’m confused.

Answers

To solve this problem, we will use the following formula for the area of a trapezoid:

[tex]A=\frac{a+b}{2}h,[/tex]

where a, and b are the lengths of the bases and h is the height.

Now, we are given that ( we will omit the units to simplify the calculations):

[tex]\begin{gathered} h=\frac{1}{4}(a+b), \\ h=2\frac{1}{2}. \end{gathered}[/tex]

Therefore:

[tex]\frac{(a+b)}{2}=2(\frac{a+b}{4})=2h=2(2+\frac{1}{2})=4+1=5.[/tex]

Substituting in the above formula, we get:

[tex]A=\frac{5}{2}\times(2\frac{1}{2}).[/tex]

Simplifying the above result, we get:

[tex]A=\frac{25}{4}ft^2.[/tex]

Answer:

[tex]\begin{gathered} A=\frac{1}{2}(2\frac{1}{2})(2\frac{1}{2}\cdot2) \\ =\frac{1}{2}(\frac{5}{2})(\frac{5}{2}\cdot2) \\ =\frac{50}{8}=\frac{25}{4}=6.25ft^2. \end{gathered}[/tex]

A bear cub weighs 8,800 grams in
March. After three months, it weighs
68.2 kg. How much weight did the cub
gain during the three months?

Answers

Answer:33 oz in march

Step-by-step explanation:

The start of an arithmetic sequence is
17, 21, 25, 29,
21,
The rule for the sequence can be written in the form
In
= en + d, where c and d are numbers.
a) By first calculating the values of c and d, work out the rule
for the sequence.
b) What is the value of 211?

Answers

The equation of the sequence is xₙ = 4n + 17 and the 11th term is 61

The equation of the sequence

From the question, we have the sequence to be

17, 21, 25, 29, 21

The form of the sequence is given as

xₙ = cn + d

From the question, we have the first term to be 17

This means that

d = 17

So, we have

xₙ = cn + 17

When n = 1, we have x = 21

So, we have

21 = c + 17

Evaluate

c = 4

Substitute c = 4 in xₙ = cn + 17

xₙ = 4n + 17

The value of x₁₁

This means that

n = 11

So, we have

x₁₁ = 4 * 11 + 17

Evaluate

x₁₁ = 61

Hence, the value is 61


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help me with this please!!

Answers

y -intercept #4 the starting value

(1 , 7.5) #3 the value after 1 year

because the x axis is the time (in years). When x = 0 (at the y-intercept) time = 0 or beginning time. When x = 1 one year has passed.

What is the value of p will the function be continuous?

Answers

The value of p that will guarantee the continuity of the function is given as follows:

p = 6.5.

What is the continuity concept?

A function defined by f(x) is continuous at a point x = a if it is defined at x = a, and the lateral limits are equal, that is:

[tex]\lim_{x \rightarrow a^-} f(x) = \lim_{x \rightarrow a^+} f(x) = f(a)[/tex]

In the context of this problem, the continuity of the function will be guaranteed if the lateral limits at x = -1 are equal.

To the left of x = -1, the function is less than -1, hence the lateral limit is:

lim x -> -1^- f(x) = lim x -> -1 (-2x² - 8x + 3) = -2(-1)² - 8(-1) + 3 = 9.

To the right of -1, the function is greater than -1, hence the lateram limit is:

lim x -> -1^+ f(x) = lim x -> -1 (4x + 2p) = 4(-1) + 2p = -4 + 2p.

The lateral limits have to be equal for the function to be continuous, hence:

-4 + 2p = 9

2p = 13

p = 13/2

p = 6.5.

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write the equation of the line in a fully simplified slope-intercept form.

Answers

Slope Intercept Form From a Graph

Slope intercept form: [tex]y=mx+b[/tex]

m = slopeb = y-intercept

We can identify two points on the given graph and solve for the slope and the y-intercept.

Solving the Question

Two clear points on the graph are (6,0) and (0,6).

First, we can solve for the slope by using the slope equation:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex] where two points are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]

⇒ Plug in the points (6,0) and (0,6):

[tex]m=\dfrac{0-6}{6-0}\\\\m=\dfrac{-6}{6}\\\\m=-1[/tex]

Therefore. the slope of the line is -1. Plug this into [tex]y=mx+b[/tex]:

[tex]y=-x+b[/tex]

Now, we can find the y-intercept. It is the value of y when the line crosses the y-axis.

In this case, we can see on the graph that this is 6.

[tex]y=-x+6[/tex]

Answer

[tex]y=-x+6[/tex]

Standard form 10x-7y=-3

Answers

Answer:

x= −3/10

y= 3/7

Step-by-step explanation:

Answer the 3 question in the photo for EASY points ( 20 points )

Answers

1. Library
2. Lev
3. Seattle

Sandra is using the point-slope form y - y₁ = m(x-x₁) to graph the equation y+2=(x-3). She completed the following steps.

Step 1: Plot a point at (3, 2).

Step 2: Plot a point 5 units up and 4 units left from (3, 2), at (-1, 3).

Step 3: Connect the points with a line.

In which step did Sandra make her first mistake?

What mistake did Sandra make?​

Answers

She make mistake in her first step. She plot a point at (3,2) instead of (3,−2).

Sandra is using the point-slope form [tex]y - y_{1} = m(x-x_{1})[/tex] to graph the equation [tex]y+2=(x-3)[/tex].

She completed the following steps.

1) Firstly she plot a point at (3,2)

2) Then she plot a point 5 units up and 4 units left from (3,2), at (−1,3).

3) Then she connect the points with a line.

She using the point slope for to graph the equation.

The point slope form is [tex]y - y_{1} = m(x-x_{1})[/tex].

The equation is [tex]y+2=(x-3)[/tex].

Now we compare the given equation to the point slope form.

After comparing we get

[tex]y_{1}[/tex] = -2 and [tex]x_{1}[/tex] = 3

So we have to plot a point at (3,-2) but she plot point at (3,2).

She make mistake in her first step.

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Which of these shapes are a trapezoid?

Answers

Answer: The Pink one

Step-by-step explanation: Trapezoids have 2 parallel sides and 2 non-parallel sides.

k (x)=6x-12 ; k(x)=15

Answers

The input value x in the function k( x ) = 6x - 12 when k( x ) = 15 is 9/2.

What is the input value (x) in the given function?

A function is simply a relationship that maps one input to one output, that is, each x-value can only have one y-value.

Given the data in the question;

k( x ) = 6x - 12k( x ) = 15x = ?

To determine the value of x, equate the function to 15 and solve for x.

k( x ) = 6x - 12

k( x ) = 15

15 = 6x - 12

Rearrange the equation

6x - 12 = 15

Collect like terms

6x = 15 + 12

6x = 27

Divide but sides by 6

6x/6 = 27/6

x = 27/6

x = 9/2

Therefore, the input value (x) is 9/2, this forms an ordered pair of ( 9/2, 15 ).

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-2
-3
S
y = -2|x|
2
X
The function is positive when
The function is negative when
The function is increasing when
The function is decreasing when

Answers

Answer: Never, All real numbers, x<0, x>0

Step-by-step explanation:

The function is positive when it is above the x-axis.

The function is negative when it is below the x-axis.

The function is increasing when the graph is going up.

The function is decreasing when the graph is going down.

Which of the following is the best estimate of the slope of the best -fit line for the graph at the right?

Answers

The best estimate of the slope of the best-fit line for the graph at the right will be 7/4.

What is the slope?

The ratio of the increase in elevation between two points to the run in elevation between those same two points is referred to as the slope. A line that is moving up will have a positive slope, and a line that is moving down will have a negative slope if you view the line from left to right. A line's slope often indicates the steepness and direction of the line. By calculating the difference between the coordinates of the two points, (x₁,y₁) and (x₂,y₂), it is simple to calculate the slope of a straight line between them. The letter "m" is frequently used to denote slope.

Given Data

x coordinate = 4

y coordinate = 7

Slope = y-coordinate/ x-coordinate

Slope = 7/4

The best estimate of the slope of the best-fit line for the graph at the right will be 7/4.

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A soap company wants to use a cylindrical container to hold their new liquid soap

A. solve the formula for h
B. what is the height of a container if the volume is 56.52 cubic inches and the radius is 1.5 inches? Round to the nearest tenth

Answers

A. The formula for h is h = V / πr².

B. The height of a container if the volume is 56.52 cubic inches and the radius is 1.5 inches is 8 inches.

How to calculate the value?

The volume of a cylinder is calculated thus:

= πr²h.

where π = 3.142

r = radius

h = height

Therefore, the height will be:

V = πr²h

We have to make h the subject of the formula. This will be:

h = V / πr²

The height of a container if the volume is 56.52 cubic inches and the radius is 1.5 inches will be:

h = V / πr²

h = 56.52 / (3.142 × 1.5²)

h = 56.52 / 7.0695

h = 8

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Ryan has a deck that measures 3 feet by 8 feet. He wants to increase each dimension
by equal lengths so that its area is increased by 50%. By how much should he increase each dimension?

Answers

The dimensions of the deck would be increased by 1 feet.

How much should he increase each dimension?

Area of a rectangle = length x width

Initial area of the deck = 3 x 8 = 24 feet²

Area of the deck when it is increased = (1 + 0.50) x 24  = 36 feet²

Length of the deck after it is increased = 3 + x

Width of the deck after it is increased = 8+ x

Area of the new deck : (3 + x) + (8 + x) = 36

24 + 3x + 8x + x² = 36

x² + 8x + 3x + 24 - 36 = 0

x² + 11x - 12 = 0

The solutions of the quadratic equation are -1 and 12

-1 + x = 0

x = 1

or

12 + x = 0

x = -12

Thus, the dimension of the deck would be increase by 1 feet.

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Solve the system of linear equations using the substitution method.

4x + 7y = 19 and y = x + 9

A. (-4, 5)

B. (-6, 4)

C. (-1, 2)

D. (-4, 3)

Answers

Answer:D

Step-by-step explanation:

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