Mathematics (AS & A Level) · May / June 2022 · Paper 21 · Question 1
9709
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The variables x and y satisfy the equation y = 42x−a, where a is an integer. As shown in the diagram, the graph of ln y against x is a straight line passing through the point 0, −20.8 , where the second coordinate is given correct to 3 significant figures.
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1(a)[2]
1(b)[2]
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