4. The function f(x) = 2.46x1.099 represents the women's record race time in minutes for a...

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4. The function f(x) = 2.46x1.099 represents the women's record race time in minutes for a race of length x kilometers. 100 (eanuru) sun pco -10 S 10 15 20 25 30 55 race length (kilometers) (a) Sketch the secant line whose slope gives the average rate of change of f(x) from x=25 to x = 30. (b) Compute the slope of the secant line. Round your answer to two places after the decimal. 4. The function f(x) = 2.46x1.099 represents the women's record race time in minutes for a race of length x kilometers. 100 (eanuru) sun pco -10 S 10 15 20 25 30 55 race length (kilometers) (a) Sketch the secant line whose slope gives the average rate of change of f(x) from x=25 to x = 30. (b) Compute the slope of the secant line. Round your answer to two places after the decimal.