a. $15x-18$ b. $15x+2$ c. $12$ d. $32$
Work Step by Step
Given $f(x)=5x+2$ and $g(x)=3x-4$, we have: a. $(f\circ g)(x)=5(3x-4)+2=15x-18$ b. $(g\circ f)(x)=3(5x+2)-4=15x+2$ c. $(f\circ g)(2)=15(2)-18=12$ d. $(g\circ f)(2)=15(2)+2=32$
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