Asked by drew

Find f(x)·g(x) if f(x) = 3x and g(x) = x + 1.
A. 3x2 + 3x
B. 3x + 1
C. 4x + 1
D. 3x2 + 1
A
Answered by bobpursley
f(g(x))=3(x+1)
g(f(x))=3x+1
so, none of the answers are correct.
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