Replace the x is the f(x) by the values for g(x)
for the x is the f(x) you would write 4 + 5x + 3/7
I don't know if the problem is
(x+3) all divided by 7
or if it is x added to 3/7
(g◦f)(x) = g(f(x))
g(x) = 4+5x, so
g(f) = 4 + 5f
and we are back to Dr. Jane's question
Yes it is (x+3) all divided by 7
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