Question

f(x) = 5x + 7
and
g(x) = −2x − 4
-
Find
g(f(x)) = −10x + ?

Answer 1

Answer:

-18

Step-by-step explanation:

$g(f(x))=g(5x+7) \\ \\ =-2(5x+7)-4 \\ \\ =-10x-14-4 \\ \\ =-10x-18$