A swim race has a total distance of 25 mi . Race officials want to mark the course every 500 yd with a buoy, including one at th
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When you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. f(x) = x2 and f(x + h) = (x + h)2 Therefore, the slope of the secant line between any two points on this function is 2x + h.
