The variables $x$ and $y$ are linked by $y = A \times B^{\ln x}$, with $A$ and $B$ as constants. The plot of $\ln y$ against $\ln x$ is a straight line that goes through the points $(2.2,\,4.908)$ and $(5.9,\,11.008)$, as illustrated in the diagram.
(main)[5]
Find $A$ and $B$ correct to $2$ significant figures.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “State or imply the relation $\ln y=\ln A+\ln B\ln x$” …