Worth 25 points! what is the runner’s average rate of change between the hours: 0.5 and 2? mph 1.5 and 2.5? mph
i know that 0.5 and 2 is 4, but how do you calculate 1.5 and 2.5?

(a) compute the maclaurin polynomial m2(x) for f(x) = cos x. (b) use the polynomial of part (a) to estimate cos π 12. (c) use a calculator to compute the error made using the estimate from part (b) for the value of cos π 12. remember that the error is defined to be the absolute value of the difference between the true value and the estimate.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

When the ball has traveled a distance of