The rate of learning at the end of 1 hour is 1" items per hour. (Simplify your answer. Type an integer or decimal rounded to the nearest hundredth as needed.) The rate of learning at the end of 9 hours is "7' items per hour. (Simplify your answer. Type an integer or decimal rounded to the nearest hundredth as needed.) Suppose that a person learns y items in x hours, as given by y= 50W, 0 Ex 5 4. Find the rate of learning at the end of 1 hour and at the end of4 hours. 100 Evaluate dy and Ay for the function below at the indicated values. y = f(x) = 44 1-= ; x= 2, dx = Ax= - 0.25