$$\(\mathrm{g}(x)=2 x+7 \quad \mathrm{~h}(x)=3 x-8\)$$ Find $$\(\mathrm{g}^{-1}(x)\)$$. $$\[ \mathrm{g}^{-1}(x)=........................ \]$$
Exam No：0580_w20_qp_21 Year：2020 Question No：17(b)(ii)
Answer:
\(\frac{x-7}{2}\) final answer
Knowledge points:
E2.9.1 Use function notation, e.g. f(x)=3x-5, f:x↦3x-5, to describe simple functions.
E2.9.2 Find inverse functions
E2.9.3 Form composite functions as defined by gf(x)=g(f(x)).
Solution:
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