Let P = (x, y) be a point on the graph of y = 1/x. (a) Express

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Let P = (x, y) be a point on the graph of y = 1/x.

(a) Express the distance d from P to the origin as a function  of x.

(b) Use a graphing utility to graph d = d(x).

(c) For what values of x is d smallest?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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