Question

Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below:

f(x) = 4x + 21

g(x) = 2x + 2

Answer 1

4(2(7) + 2) + 21
4(14) + 2) + 21
4(16) + 21
64 + 21
85

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Answer 2

The required function f[g(x)] for the given functions is $(8x + 29)$.

What is a function?

A function is the relation between the input and the output of a system.

Given functions are:

$f(x) = 4x + 21\\g(x) = 2x + 2$

Therefore the required function is:

$f[g(x)]\\= f(2x + 2)\\= 4(2x+2)+21\\= 8x+8+21\\= 8x+29$

Learn more about a function here:

https://brainly.com/question/1306866

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