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12 Nov 2019

A rectangle has one side on the x-axis, one side on the y-axis, and a corner on the graph of y = x^2 + 1.

a) Use Linear Approximation of the area formula, A(x) = xy, to estimate the increase in the area of the rectangle if the base grows from 2 to 2.2 inches.

b) Calculate exactly the increase in the area of the rectangle as the base grows from 2 to 2.2 inches.

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Beverley Smith
Beverley SmithLv2
13 Sep 2019

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