(02.05 MC)
Given f(x) and g(x) = f(kx), use the graph to determine the value of k.
-3
-1/3
1/3
3

Explanation:

The tenths decimal place is right after the decimal point

7 is in the tenths place

The digit just to the right of 7 is 4

Since the 4 is not 5 or larger, this means we erase everything after the 7 and go with 3.7

If we had something like 3.76, then the 7 bumps up to 8 to get 3.8

A mathematical function is a mathematical relationship where each input value (x) has a unique output value (y), which means that it is a relationship where every individual value for the independent variable always results in a specific predictable value for the dependent variable.

A mathematical function is a mathematical relationship where each input value (x) has a unique output value (y), which means that it is a relationship where every individual value for the independent variable always results in a specific predictable value for the dependent variable.

The exact same number of elements from Y are assigned to each element of X via a mathematical function from a set X to a set Y. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.

A mathematical phrase, rule, or law that establishes the relationship between two variables, one of which is independent and the other dependent (the dependent variable)

The complete question is:

What is a mathematical function? After studying the vending machine examples, write a definition that communicates precisely what it means for a mathematical relationship to be a function.

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Answer: a^24

Hope this helps you!

Answer:

-40

Step-by-step explanation:

10/1*(-4)    Set up equation

10/1 * -4    Open up parentheses

10/1 =10    Next, divide 10 by 1

10*-4        Now, multiply 10 and -4

-40 Answer

Answer:

-40

Step-by-step explanation:

Given expression

[tex]\dfrac{10}{1} \cdot (-4)[/tex]

When dividing and multiplying, follow the order of operations and work from left to right.

Divide the numbers

When dividing anything by 1, the quotient is the numerator:

[tex]\implies \dfrac{10}{1} \cdot (-4)=10 \cdot (-4)[/tex]

Multiply the numbers

When multiplying a positive number by a negative number, the product is always negative:

[tex]\implies 10 \cdot (-4)=-40[/tex]

Step-by-step explanation:

any ordered pair is a solution, if we can use its coordinates in the equation, and the equation stays true.

for x - 3y = 6

1. (3, -1)

3 - 3×-1 = 6

3 + 3 = 6

6 = 6

true, this is a solution.

2. (0, 2)

0 - 3×2 = 6

-6 = 6

false, this is not a solution.

3. (3, 1)

3 - 3×1 = 6

3 - 3 = 6

0 = 6

false, this is not a solution.

The score 3 months ago was 4.130.

What is rate of increase?

Rate of increase is defined the change in rate that describes how one quantity changes in relation to another quantity.

Assume the score 3 months ago was x. This means that the above can be expressed as:

Current score = x × ( 1 + rate) ^ number of months

5.20= x(1+8%)^3

5.20 = x(1.259)

x= 5.20/1.259

x= 4.130

therefore, the score was 4.130

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Each financial activities should be matched to their relevant management type within the wealth management phase as follows:

Cash management:

Credit and debt management:

Wealth management can be defined as an investment advisory service that is designed and developed to provide advices and solutions to meet the needs of a wide array of affluent clients, especially by combining other financial services.

Generally speaking, there are three (3) distinct phases of a person's financial activities and these include the following:

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Answer:

Cash management:

- keeping an emergency fund

- spending plans

- cash reserve

- recording income and spending

Credit and debt management:

- paying off credit cards

- stop credit misuse

- reducing credit use

- debt reduction

Step-by-step explanation:

correct on plato

Answer:

30.24%

Step-by-step explanation:

Each time you lose x%, you end up with 1 - 0.01x.

For example, if you lose 10% of an amount, you end up with 1 - 0.01(10), or 0.9 times the original amount.

Let's say you started with x.

You lost 10%. Now you have 0.9x.

Then you lost 20% of the remaining amount. Now you have 0.8(0.9x).

Then you lost 30% of the remaining amount. Now you have 0.7(0.8)(0.9x).

Finally you lost 40% of the remaining amount. Now you have 0.6(0.7)(0.8)(0.9x).

The final amount you have is

0.6(0.7)(0.8)(0.9x) = 0.3024x = 30.24% of x

Answer: 30.24%

Answer:

x = 58°

y = 74°

z = 106°

w = 42°

Step-by-step explanation:

  Finding the value of unknown variables:

  x + 32° = 90°

           x  = 90 - 32

          [tex]\sf \boxed{\bf x = 58^\circ}[/tex]

  x + y + 48 = 180  {Angle sum property of triangle}

 58 + y + 48 = 180

         y + 106 = 180

                  y = 180 - 106

                  [tex]\sf \boxed{\bf y = 74\°}[/tex]

y + z = 180  {Linear pair}

74 + z = 180

       z = 180 - 74

     [tex]\sf \boxed{\bf z = 106\°}[/tex]

32 +z + w = 180 {Angle sum property of triangle}

32 + 106 +w = 180

       138 + w = 180

                w = 180 - 138

              [tex]\sf \boxed{\bf w = 42\°}[/tex]

By using the same translation applied to point M, the image of point B' is equal to (12, 2).

In Geometry, a translation can be defined as a type of transformation which moves every point of a geometric figure (object) in the same direction, as well as for the same distance.

Since the x-coordinate moved from a negative to a positive sign, we know that point M was translated to the right and then shifted down because it moved from a negative to a negative sign on the y-coordinate.

Next, we would determine the translation rule that was applied to point M:

(x, y)                               →                  (x + n, y - z)

-3 + n = 6

n = 6 + 3

n = 9.

-5 - z = -1

z = -5 + 1

z = -4

Now, we can determine the image of B':

(x, y)                               →                  (x + n, y - z)

Point B (3, -2)                 →              Point B' (3 + 9, -2 - (-4)) = (12, 2).

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The unknown angles are as follows:

When parallel lines are cut by a transversal line, angle relationships are formed such as corresponding angles, linear angles, alternate angles etc.

Therefore,

∠1 = 110 degrees(given)

∠2 = 180 - 110 (sum of angles on a straight line)

∠2 = 70°

∠3 = ∠1 (vertically opposite angles)

Vertically opposite angles are congruent.

Therefore,

∠3 = 110°

∠2 = ∠4 (vertically opposite angles)

∠4 = 70°

∠1 = ∠5 (corresponding angles)

Corresponding angles are congruent

∠5 = 110°

∠6 = ∠4(alternate angles)

Alternate angles are congruent.

∠6 = 70°

∠1 = ∠7 (alternate exterior angles)

∠7 = 110°

∠2 = ∠8(alternate exterior angles)

∠8 = 70°

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Answer:

77.5

Step-by-step explanation:

180-25=155

155/2=77.5

The smallest number of packets of buns that Jonathan could buy is  4.

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division. 

We have,

Buns come in a packet of 6

Sausages come in a pack of 10

Burgers come in a pack of 8.

Sausage = 2 x burgers ____(1)

Buns = Sausages + Burgers _____(2)

The smallest number of packets of buns can be calculated when only one packet of Burgers is bought.

So,

Burgers = 1 pack = 8

From (1) and (2),

Sausage = 2 x 8 = 16

Buns = 16 + 8 = 24

Buns = 24

This can be put in 4 packets.

Thus,

The smallest number of packets of buns that Jonathan could buy is  4.

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The compound inequality which correctly shows the temperatures that are within the given range is; 32°F ≤ T ≤ 95.

It follows from the task content that the temperature outside is said to be between 32 degrees Fahrenheit and 95 degrees Fahrenheit and inclusively.

On this note, it follows from the statement above that the upper limit of the temperature is; 95°F while the lower limit is; 32°F.

Therefore, the required compound inequality is;

32°F ≤ T ≤ 95.

Ultimately, the required compound inequality which shows the temperature that are within the given range is; 32°F ≤ T ≤ 95.

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The scale factor of the dilation = 2.5

The original dimensions of the rectangle:

Length = 32 ft

Width = 8 ft

The dimensions of the rectangle after dilation:

Length = 80 ft

Width = 20 ft

Dilation is a transformation where the dimensions of the figure is enlarged by multiplying with a number. This number multiplied with all dimensions of the original figure is called its scale factor.

So the new dimension of the figure will be scale factor times the original dimensions of the figure.

Thus the scale factor can be defined as the ratio of larger dimension to the smaller dimension of a figure.

Hence the scale factor used here is the ratio of new length to the original length or the ratio of new width to the original width of the rectangle.

That is, scale factor = 80/32 = 20/8 = 2.5

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The given relation is not a function.

What is  function?

A function is a relationship between inputs where each input is related to exactly one output.

Given that, (7, -17) , (5. 3) , (7, 3)

Here 7 is connected with two elements i.e. -17 and 3 but the condition of a function is that one element must be related to only one element of another set.

Hence, the given relation is not a function.

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The amount of change Maria receives is 100y - np

What is Conversion rate ?

A conversion rate is the ratio between two currencies, most commonly used in foreign exchange markets, which designates how much of one currency is needed to exchange for the equivalent value of another currency.

Given,

The cost of each pencil is = p

Maria buys = n pencils

so, the cost of n pencils is = np

She pays for the n pencils is = $y

Now, in question given that we need to find answer in cents

so, We know 1$ = 100 cents

By that, $y = 100y

Maria received the change is = 100y - np

Therefore,  the amount of change Maria receives is 100y - np

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The value of m∠2 will be equal to 40°.

Transversal may be defined as a line which cuts two different lines which lie on the same plane at two different points. Alternate interior angles may be defined as the angles which are formed when a transversal cut the two different lines. These angles lie on the interior of the parallel lines, but they are on the opposite side of the transversal. If two parallel lines are cut by a transversal, then their alternate interior angles are equal. Thus, m∠1 = m∠2

4(x + 2) = 2x + 24

4x + 8 = 2x + 24

2x = 16

=> x = 16/2

=> x = 8

Now, m∠2 = 2x + 24

m∠2 = 2×8 + 24

m∠2 = 40° which is the required answer.

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If the quadratic [tex]3x^2[/tex]+4x-9 =0  has two real roots, then the sum of the square of the these roots is 7.77

The polynomial is  [tex]3x^2[/tex]+4x-9 =0

Here,

a = 3

b = 4

c = -9

Here the quadratic equation

= [tex]\frac{-b+/-\sqrt{b^2-4ac} }{2a}[/tex]

Substitute the values in the quadratic equation

= [tex]\frac{-4+/-\sqrt{4^2-4(3)(-9)} }{2(3)}[/tex]

The result will be

= [tex]\frac{-2+/-\sqrt{31} }{3}[/tex]

Therefore, the roots are

[tex]\frac{-2+\sqrt{31} }{3}[/tex] and [tex]\frac{-2-\sqrt{31} }{3}[/tex]

Square of the first root = [tex](\frac{-2+\sqrt{31} }{3} )^{2}[/tex]

= 1.414

Square of the second root = [tex](\frac{-2-\sqrt{31} }{3} )^2[/tex]

= 6.363

The sum of the square of the roots = 1.414+6.363

= 7.77

Hence, if the quadratic [tex]3x^2[/tex]+4x-9 =0  has two real roots, then the sum of the square of the these roots is 7.77

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Answer:

b Adding 4 to the parent function shifts the function up four units.

Step-by-step explanation:

The original function is y(x) = 2^x

Adding four is y(x) = 2^x + 4

We've simply told y to take whatever value is generated for x and add four to it.

So the new value for the same x would have 4 added to y:  (x,y+4),

Point (1,2) would shift to point (1,6).

Adding four to the parent function will shift the entire graph up by 4.  See ate attached graph.

a) Value of Expression 1 is 29.833.

b) After inserting the parentheses the expression is (5+4) * 2 + 6 -2 * 2 - 1.

The order of operations to solve in expression 1 is:

First parenthesis, then multiplication and division, and then addition and subtraction.

So, the expression is:

6 × 7 - 3 ÷ 2 × 9 + 4 ÷ 3

First, solve division and then multiplication:

= 42 - 1.5 × 9 + 1.34

= 42 - 13.5 + 1.34

= 29.84

b) Because the parenthesis is the initial action, so insert it in 5+4 which provides the following result:

(5 + 4) × 2 + 6 - 2 × 2 - 1

First, calculate the parenthesis, then the multiplication and division, and finally perform addition and subtraction:

= (9) × 2 + 6 - 4 - 1

= 18 + 6 - 4 - 1

= 19

The final value is 19.

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Answer:

480 minutes

Step-by-step explanation:

that's your answer

Answer:

480 minutes.

Step-by-step explanation:

8×60=480.

Answer:

Answer down below!

Step-by-step explanation:

The set (1, 2, 3) would have 8 sets in total

The range of the function is 1

As seen by the graph in the following figure

As can be seen, x's value falls between

nonetheless, y is equal to 1 for all values of x.

This holds true regardless of x's value.

Consequently, the function's range is 1.

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Answer:

The range is 28

The variance is 90.855

The mean is 56.36

The median is 53

The sample standard deviation is 9.532

Step-by-step explanation:

Answer:

(0,5)

Step-by-step explanation:

Answer:

(0, 4 )

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

given

4x + 5y = 20 ( subtract 4x from both sides )

5y = - 4x + 20 ( divide through by 5 )

y = - [tex]\frac{4}{5}[/tex] x + 4 ← in slope- intercept form

with y- intercept c = 4 or in coordinate form (0, 4 )

The indicated numeric values for the composite functions are given as follows:

1. f(g(-3)) = -25.

2. g(f(2)) = -64.

3. h(f(-5)) = -3.

4. g(g(-3)) = -81.

The composite function of f(x) and g(x) is according to the following rule:

(f ∘ g)(x) = f(g(x)).

It means that the output of the inside function serves as the input for the outside function. Hence, to calculate f(g(-3)), for example, we calculate g(-3), then we calculate the numeric value of function f(x) at x = g(-3).

For this problem, the functions are given as follows:

For item 1, the numeric values are found as follows:

For item 2, the numeric values are found as follows:

For item 3, the numeric values are found as follows:

For item 4, the numeric values are found as follows:

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Answer:4554.21

Step-by-step explanation:

By using triangles laws, we know that the height of the tree is 8.42 meters.

So, 1.45 m is Joshua's height.

We must ascertain the tree's height.

The right triangles are all alike.

The ratio of the corresponding sides is equal when two triangles are comparable.

Now, put values as follows:

Therefore, by using triangles laws, we know that the height of the tree is 8.42 meters.

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The correct form of the question is given below:

Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away from the tree so that the tip of his shadow meets the tip of the tree's shadow. Find the height of the tree to the nearest hundredth of a meter.