Mathematics (AS & A Level) · May / June 2020 · Paper 32 · Question 2
9709
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x ln y O 1.5, 1.2 5.24, 2.7 The variables x and y satisfy the equation y2 = Aekx, where A and k are constants. The graph of ln y against x is a straight line passing through the points 1.5, 1.2 and 5.24, 2.7 as shown in the diagram. Find the values of A and k correct to 2 decimal places. [5]
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