Question

For each function, what is the output of the given input?
For f(x) = 4x+7, find f(4)

Answer 1

f(4)=23

Explanation:

Plug 4 in to the function

f(4)=4(4)+7

f(4)=16+7

f(4)=23

Final answer: 23

Answer 2

For f ( x ) = 4 x + 7:
we just have to plug in 4 instead of x.
f ( 4 ) = 4 * 4 + 7 =
= 16 + 7 = 23
Answer: f ( 4 ) = 23