Question

For each function, what is the output of the given input?

For f(x) = 4x + 7, find f(4)

Answer 1

20 is the answer
or output

Answer 2

how do you do it step by step?

Answer 3

so to get F(4) you substitute 4 in the place off x.
f(4)=4(4)+7
=16+7
=23

Answer 4

*of