Question

If f(x) = x + 3, find f(-8).

Answer 1

replace x with -8
f(X) = -8+3
=??

Answer 2

x=-8f-3 Right?

Answer 3

But the paper shows these as answers

11

-5

-11

5

Answer 4

no f(-8)= -8+3 = -5

Answer 5

O I needed to replace bolth x with 8 not just the F(x)

Answer 6

Both

Answer 7

Right?

Answer 8

yes, but with -8 not 8

Answer 9

Yeah that is what i ment sorry :P

Answer 10

Thank you for you help :) golden star for you!