The diagram shows a shape made from a rectangle and a semicircle. y + 1/4 x (
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The diagram shows a shape made from a rectangle and a semicircle. y + 1/4 x (π + 2) = 25
a) Show that the area A square metres of the shape is given by A = 100x − 2x² − 1/2πx2
b) Find the maximum value of A and
explain why this value is a maximum.
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Related Book For
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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