Click to explore updated revision resources for GCSE Maths: Function notation, with step-by-step slideshows, quizzes, practice exam questions, and more! Composite functions are made when the output ...
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The results recorded here show that the reaction had finished by four minutes, as no more gas was produced after that. The mean rate of reaction = 50 ÷ 4 = 12.5 cm 3 /min However, the rate decreased ...