Find the requested function value.
-Find $( g \circ f ) ( - 28 )$ when $f ( x ) = \frac { x - 4 } { 8 }$ and $g ( x ) = 8 x + 8$
A) $- \frac { 55 } { 2 }$
B) $- 24$
C) $- 64$
D) 864

Question

Quizplus · Accepted Answer

First, apply $f$ to $-28$: $f(-28) = \frac{-28 - 4}{8} = \frac{-32}{8} = -4$. Then, apply $g$ to this result: $g(-4) = 8(-4) + 8 = -32 + 8 = -24$.

Find the Requested Function Value (g∘f)(−28)( g \circ f ) ( - 28 )(g∘f)(−28)

Find the Requested Function Value $( g \circ f ) ( - 28 )$