Question: Let P = (x, y) be a point on the graph of y = x. (a) Express the distance d from P to the point

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

(a) Express the distance d from P to the point (1, 0) 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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