Find $f \circ g$.
$f ( x ) = - 4 x + 3$
A) $( f \circ g ) ( x ) = - 4 x - 25$
$g ( x ) = x + 7$
B) $( f \circ g ) ( x ) = - 4 x + 10$
C) $( f \circ g ) ( x ) = - 4 x ^ { 2 } - 25 x + 21$
D) $( f \circ g ) ( x ) = - 5 x - 4$
E) $\quad ( f \circ g ) ( x ) = - 5 x + 10$

Question

Quizplus · Accepted Answer

To find $(f \circ g)(x)$, substitute $g(x) = x + 7$ into $f(x) = -4x + 3$, resulting in $f(g(x)) = -4(x + 7) + 3 = -4x - 28 + 3 = -4x - 25$.

Find f∘gf \circ gf∘g f(x)=−4x+3f ( x ) = - 4 x + 3f(x)=−4x+3

Find $f \circ g$ $f ( x ) = - 4 x + 3$