Chapter 5.3, Problem 4MP

Matched Problem 4 In Example 4, what is the rate of improvement (to two decimal places) after 50 hours of practice?

Learning For a particular person learning to swim, the distance y (in feet) that the person is able to swim in 1 minute after t hours of practice is given approximately by

     $y=50\left(1-e^{-0.04t}\right)$

What is the rate of improvement (to two decimal places) after 10 hours of practice?