Question: Let P = (x, y) be a point on the graph of y = x 2 8. (a) Express the distance d from P

Let P = (x, y) be a point on the graph of y = x2 – 8.

(a) Express the distance d from P to the point (0, -1) as a function of x.

(b) What is d if x = 0?

(c) What is d if x = -1?

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

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

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