Inactive Tutor answered • 12/01/17
Tutor
New to Wyzant
A (fog)(x) = f(g(x)) = 5(g(x))-4 = 5(x+7) - 4 = Simplify here.
B Same thing but reverse the f and g
C Use part A but substitute 3 in for x
Kenneth C.
asked • 12/01/17Let f(x)=5x-4 and g(x)=x+7
A. (fog)x
B.(gof)x
c.(fog)(3)
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