$$\( \mathrm{f}(x)=3 x+2 \quad \mathrm{~g}(x)=x^{2}+1 \quad \mathrm{~h}(x)=4^{x}\)$$ Find h(4). .............................................
Exam No：0580_s20_qp_42 Year：2020 Question No：6(a)
Answer:
256
Knowledge points:
E2.9.1 Use function notation, e.g. f(x)=3x-5, f:x↦3x-5, to describe simple functions.
Solution:
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