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Determine the values of $a$ and $b$. Give each answer correct to $1$ significant figure.
Mathematics 9709 · AS & A Level · Algebra
Algebra — practice question
The variables $x$ and $y$ obey the relation $ay = b^x$, with $a$ and $b$ as constants. In the diagram, the graph of $\ln y$ against $x$ is a straight line that goes through the points $(0.50, 2.24)$ and $(3.40, 8.27)$.