If g (x) = x2 − 9 and h (x) = 2x + 3. What is (g ÷ h) (x)?
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B
f(x)=x2+6
f(g(x))=h=4x2+4x+7=(2x+1)2+6=(g(x))2+6
⇒f(x)=x2+6
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