(main)[5]
Find the value of $k$, and the value of $A$ correct to 2 significant figures.
Mathematics 9709 · AS & A Level · Integration
Integration — practice question
The variables $x$ and $y$ are related by $y = A x^k$, with $A$ and $k$ as constants. The graph of $\ln y$ plotted against $\ln x$ is a straight line that passes through the points $(0.56,\, 2.87)$ and $(0.81,\, 3.47)$, as shown in the diagram.