Question

Help my friend out?

Answer 1

13. -2
14. 0
15. 2
16. 0
hope this helps:)

Answer 2

13. -2

14. 0

15. 2

16. 0

Explanation:

Since the function is originally f(x), you go to wherever the x value is and see what the y value is.

So...

f(2) means go to x = 2 and see that y = -2