Question

What us f(x)= -1/3 + 13 when the value is f(-3)

Answer 1

14, or f(-3)= 14

Explanation:

Input the -3, so you will get f(-3)= -1/3(-3) + 13.
Do -1/3 x -3, which will get you 1.
Do 1 + 13, which will get you 14.
So, the answer will be 14, or f(-3)= 14.