Question

1
(b) Find f(x) and g(x) such that h (x) = (fog) (x) and h(x) = 1/√(3x+7)
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Answer 1

3(2x+1)

(fog)(x)=f(g(x))=2(3x+2)−1=6x+4−1=6x+3=3(2x+1)