a. $2x+14$ b. $2x+7$ c. $18$ d. $11$
Work Step by Step
Given $f(x)=2x$ and $g(x)=x+7$, we have: a. $(f\circ g)(x)=2(x+7)=2x+14$ b. $(g\circ f)(x)=2x+7$ c. $(f\circ g)(2)=2(2)+14=18$ d. $(g\circ f)(2)=2(2)+7=11$
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