$$\( \mathrm{f}(x)=3 x+2 \quad \mathrm{~g}(x)=x^{2}+1 \quad \mathrm{~h}(x)=4^{x}\)$$ Find $$\(\operatorname{gf}(x)\)$$ in the form $$\(a x^{2}+b x+c\)$$. .............................................
Exam No：0580_s20_qp_42 Year：2020 Question No：6(c)
Answer:
\(9 x^{2}+12 x+5\)
Knowledge points:
E2.9.3 Form composite functions as defined by gf(x)=g(f(x)).
Solution:
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