# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2011 | May-Jun | (P1-9709/13) | Q#10

Question Functions and are defined by , i. Evaluate . ii. Sketch in a single diagram the graphs of and , making clear the relationship between the graphs. iii. Obtain an expression for and use your answer to explain why has an inverse. iv. Express each of and , in terms of . Solution i. We have functions; We […]