Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 31 · Question 3
9709
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ln y x 0 1 2 3 1 2 3 4 5 6 7 The variables x and y are related by the equation y = abx, where a and b are constants. The diagram shows the result of plotting ln y against x for two pairs of values of x and y. The coordinates of these points are 1, 3.7 and 2.2, 6.46 . Use this information to find the values of a and b. [4]
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