$$\( \mathrm{f}(x)=3 x+2 \quad \mathrm{~g}(x)=x^{2}+1 \quad \mathrm{~h}(x)=4^{x}\)$$ Find $$\(x\)$$ when $$\(\mathrm{f}(x)=\mathrm{g}(7)\)$$. $$\[ x= ............................................ \]$$

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_s20_qp_42 Year:2020 Question No:6(d)

Answer:

16

Knowledge points:

E2.5.1 Derive and solve linear equations in one unknown

Solution:

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