Distance A line with slope m passes through the point (0, 4). (a) Write the distance d between the line and the point (3, 1) as a function of m. (Hint: See Section P.2, Exercise 77.) (b) Use a graphing utility to graph the equation in part (a). (c) Find lim d(m) and lim d(m). Interpret the results m→-00 geometrically.

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