Question

F(x)=3x+2, if you are asked to find f(4), what does this mean?

Answer 1

Substitute x for 4
For example: f(4)=3(4)+2
So f = 7/2
F = 3.5

Answer 2

you substitute x for 4

Explanation:

so its f(x) and f(4) so you use 4 for x so you would solve f(x)=3(4)+2