Question

Find f(-7) if f(x) = 2x + 8.

Answer 1

f(x) = 2x + 8

f(-7) = 2(-7) + 8

f(x) = -14 + 8

f(x) = -6

Answer 2

-14 + 8= -6

needs more characters to let me answer........
-6 is your answer