(a) Make y the subject of the formula 9x + 3y = 2. (b) The function, z...

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(a) Make y the subject of the formula 9x + 3y = 2.
(b) The function,
z = 3xy
is subject to the constraint
9x + 3y = 2
Use your answer to part (a) to show that
z = 2x − 9x²
Hence find the maximum value of z and the corresponding values of x and y.

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Mathematics for Economics and Business

ISBN: 978-1292191669

9th edition

Authors: Ian Jacques

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Question Posted: Apr 18, 2019 09:39 AM

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(a) Make y the subject of the formula 9x + 3y = 2. (b) The function, z...

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a 9x3y2 3y29x 2 y33x b z3xy3x 2 3 x subtrac...View the full answer

Mathematics for Economics and Business

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