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Pure Mathematics A Level: Practice Paper

Pure Mathematics A Level: Practice Paper

Pure Mathematics A Level: Practice Paper Time: 2 hours Questions to revise: PAPER N . 1 In a rainforest, the area covered by trees, F, has been measured every year since 1990. It was found that the rate of loss of trees is proportional to the remaining area covered by trees. Write down a differential equation relating F to t, where t is the numbers of years since 1990. (2 marks) 2 Find the …