Answer
(f$\circ$g)(x)=4x$^2$-26x+38
Work Step by Step
(f$\circ$g)(x)=f(g(x))
(f$\circ$g)(x)=f(2x-6)
(f$\circ$g)(x)=(2x-6)$^2$-(2x-6)-4
(f$\circ$g)(x)=4x$^2$-24x+36-2x+6-4
(f$\circ$g)(x)=4x$^2$-26x+38
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