The curve y = x 3 + ax 2 9x + 2 has a maximum point

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The curve y = x³ + ax² − 9x + 2 has a maximum point at x = −3.
a. Find the value of a.
b. Find the range of values of x for which the curve is a decreasing function.

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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 11:25 PM

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The curve y = x 3 + ax 2 9x + 2 has a maximum point

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a To find the value of a need to use the fact that the curve has a maximum point at x 3 At the ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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