The maximum value of f(x) is 7 and the period is 60. f(x) = A + 5

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The maximum value of f(x) is 7 and the period is 60°.

f(x) = A + 5 cosBx for 0° ≤ x ≤ 120°

a. Write down the value of A and the value of B.

b. Write down the amplitude of f(x).

c. Sketch the graph of f(x).

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 06:36 AM

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The maximum value of f(x) is 7 and the period is 60. f(x) = A + 5

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a Since the maximum value of fx is 7 we know that the amplitude of the cosine function is 5 since th...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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