Given that $$\(2^{y}=9^{3 x}\)$$, use logarithms to show that $$\(y=k x\)$$ and find the value of $$\(k\)$$ correct to 3 significant figures. ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................ ................................................................................................................................................................
Exam No:9709_s20_qp_23 Year:2020 Question No:1
Answer:
Apply logarithms to both sides and apply power law at least once
Rearrange to the form \( y=\frac{3 \ln 9}{\ln 2} x \mathrm {} \) OE
Obtain \(k=9.51\)
Rearrange to the form \( y=\frac{3 \ln 9}{\ln 2} x \mathrm {} \) OE
Obtain \(k=9.51\)
Knowledge points:
2.2.3 use logarithms to solve equations and inequalities in which the unknown appears in indices
Solution:
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