$$\[ \mathrm{f}(x)=4 x-1 \quad \mathrm{~g}(x)=x^{2} \quad \mathrm{~h}(x)=3^{-x} \]$$ Find $$\(x\)$$ when $$\(\mathrm{f}(61)=\mathrm{h}(x)\)$$. $$\[ x= ............................................. \]$$
Exam No：0580_m20_qp_42 Year：2020 Question No：10(e)
Answer:
\(-5\) final answer
Knowledge points:
E2.4.1 Use and interpret positive, negative and zero indices.
E2.4.2 Use and interpret fractional indices.
E2.4.3 Use the rules of indices.
Solution:
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