51. Write the total distance traveled by the car in Fig. 19 between 1 pm 40 and 4 pm as a definite integral and estimate the value of the integral. 52. Write the total distance traveled by the car in Fig. 19 between 3 pm velocity (miles/hour) 20 and 6 pm as a definite integral and estimate the value of the integral. Section 4.3 PRACTICE Answers 2 3 5 6 pm (f(x)-g(x) dx =7-3=4 . time Practice 1: Fig. 19