For the given functions f and g, find the composition.
-$$f ( x ) = \sqrt { x + 3 } ; g ( x ) = 2 x$$
Find $( f \circ g ) ( 2 )$.
A) $2 \sqrt { 5 }$
B) $\sqrt { 7 }$
C) $\sqrt { 10 }$
D) $2 \sqrt { 10 }$

Question

Quizplus · Accepted Answer

To find $(f \circ g)(2)$, first apply $g$ to $2$, giving $g(2) = 2(2) = 4$. Then apply $f$ to this result: $f(4) = \sqrt{4 + 3} = \sqrt{7}$.

For the Given Functions F and G, Find the Composition f(x)=x+3;g(x)=2xf ( x ) = \sqrt { x + 3 } ; g ( x ) = 2 xf(x)=x+3​;g(x)=2x

For the Given Functions F and G, Find the Composition $f ( x ) = \sqrt { x + 3 } ; g ( x ) = 2 x$