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jok3333 [9.3K]
2 years ago
10

Function: one to one. Help with this math question!

Mathematics
1 answer:
Archy [21]2 years ago
4 0

The answer for f.f (x) = 25 / 4x² and g.g(x)= 4x² -28x +49.

<h3>What is a Function ?</h3>

A function is a mathematical statement used to relate a dependent and an independent variable.

It is given that

f(x) = 5/2x

g(x) = 2x - 7

It is asked to found

f.f

g.g

f.f (x) = (5/2x) * (5/2x)

= 25 / 4x²

g.g(x)= ( 2x - 7)( 2x - 7)

= 4x² -28x +49

Both the answers are in its simplified form

Therefore the answer for f.f (x) = 25 / 4x² and g.g(x)= 4x² -28x +49.

To know more about Function

brainly.com/question/12431044

#SPJ1

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Rectangle has a perimeter of 48". The length is 4" more than the width. What is the length?
Svetradugi [14.3K]

Answer:

12

If you don't know it off the top of your head, work backwards.

48/4=12

Check:

12(4)=48

3 0
4 years ago
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a six sided number cube has faces with the numbers 1 through 6 marked on them. what is the probability that a number less than 2
iris [78.8K]

Solution:

we are given that

A six sided number cube has faces with the numbers 1 through 6 marked on them.

we have been asked to find the probability that a number less than 2 will occur on one toss of the number cube.

Since a number less than 2 is only one and that is "1" and total number of possible outcome is 6.

and as we know that probability is given using the formula

P(E)= \frac{n(E)}{n(S)}\\ \\

Substitute the values we get

P(E)= \frac{1}{6}

Hence the required probability is 1/6.

5 0
3 years ago
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I need help pls help me!!
Annette [7]

I think the answer is D

6 0
4 years ago
Read 2 more answers
PLEASE HELP 25 POINTS
Tju [1.3M]
Top angle = 180-112 = 68
Bottom angle = 180 - 126 = 54

Sum of angles in a triangle = 180 sooo
68+54+m=180
122+m=180
m=180-122
m=58

Therefore, angle m = 58
3 0
3 years ago
For tax purposes, a car rental company assumes each car in their fleet depreciates by 6% per year. If the initial value of a car
n200080 [17]

The value of a car after 10 years be $20898.27 if the car rental company assumes each car in their fleet depreciates by 6% per year option (a) $20898.27 is correct.

<h3>What is an exponential function?</h3>

It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent \rm y = a^x

where a is a constant and a>1

We can solve this problem by exponential function:

The word  depreciate means the price is decreasing.

We can find the value be when the car is 10 years old:

p = 38800(1 - 0.06)¹⁰

p = 38800(0.94)¹⁰

p = 20898.266 ≈ $20898.27

Thus, the value of a car after 10 years be $20898.27 if the car rental company assumes each car in their fleet depreciates by 6% per year option (a) $20898.27 is correct.

Learn more about the exponential function here:

brainly.com/question/11487261

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6 0
2 years ago
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