If f(x) = 3x + 5 and g(x) = x - 1, then f[g(-3)] = ?

This lesson will focus on the reversal of that operation. That is, we will study the inverse of the function.
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1 Answer

start:  f(x)=3x+5 & g(x)=x-1

get f(g(-3))...f(g(x))=3x+4

3*(-3)=-9, thus f(g)=4-9=5
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