$\text { Use the functions } f ( x ) = x + 2 \text { and } g ( x ) = 4 x - 3 \text { to find the function } ( f \circ g ) ^ { - 1 } ( x ) \text {. }$
A) $4 x - 5$
B) $\frac { x - 5 } { 4 }$
C) $\frac { x + 1 } { 4 }$
D) $\frac { x - 1 } { 3 }$
E) $4 x + 1$

Question

$\text { Use the functions } f ( x ) = x + 2 \text { and } g ( x ) = 4 x - 3 \text { to find the function } ( f \circ g ) ^ { - 1 } ( x ) \text {. }$ 
A) $4 x - 5$
B) $\frac { x - 5 } { 4 }$
C) $\frac { x + 1 } { 4 }$
D) $\frac { x - 1 } { 3 }$
E) $4 x + 1$

Quizplus · Accepted Answer

The Answer of $\text { Use the functions } f ( x ) = x + 2 \text { and } g ( x ) = 4 x - 3 \text { to find the function } ( f \circ g ) ^ { - 1 } ( x ) \text {. }$ 
A) $4 x - 5$
B) $\frac { x - 5 } { 4 }$
C) $\frac { x + 1 } { 4 }$
D) $\frac { x - 1 } { 3 }$
E) $4 x + 1$