Question

If f(x)=2(x-3) +4 find f(-8)

Answer 1

f(- 8) = - 18

Explanation:

To evaluate f(- 8) substitute x = - 8 into f(x)

f(- 8) = 2(- 8 - 3) + 4 = 2(- 11) + 4 = - 22 + 4 = - 18

Answer 2

f(-8) = 2(-8-3) + 4
= -16-6+4
= -18