For the given functions f and g, find the requested composite function value.
-$f ( x ) = 2 x + 9 , g ( x ) = \frac { 1 } { x } ; \quad$ Find $( g \circ f ) ( 3 )$
A) $\frac { 29 } { 3 }$
B) 5
C) $\frac { 46 } { 3 }$
D) $\frac { 1 } { 15 }$

Question

Quizplus · Accepted Answer

First, find $f(3) = 2(3) + 9 = 15$. Then, $g(f(3)) = g(15) = \frac{1}{15}$.

For the Given Functions F and G, Find the Requested f(x)=2x+9,g(x)=1x;f ( x ) = 2 x + 9 , g ( x ) = \frac { 1 } { x } ; \quadf(x)=2x+9,g(x)=x1​;

For the Given Functions F and G, Find the Requested $f ( x ) = 2 x + 9 , g ( x ) = \frac { 1 } { x } ; \quad$