Can someone help me with this AP calc question?

3. Water usage rate for Seattle in a given 24-hour period is represented in the table and graph below (Note: t = 0 corresponds to midnight). Time is measure in hours, and the rate of water usage is measured in millions of gallons per hour. Time | 0 2 4 6 10 12 14 16 18 20 22 24 Rate 0.5 0.6 0.9 1.3 1.7 1.5 1.3 1.4 1.5 1.4 1.1 0.7 0.5 Water Usage Rate for Seattle, WA, Over 24 Hours 1.70 1.55- 1.40 1.25- Rate (millions of gallons/hour 1.10- 0.95 0.80 0.65 0.50- 0.00 4.00 8.00 12.00 16:00 20.00 24.00 Time (hours) A. Using three trapezoids of equal width, estimate [rate() di . Explain the physical meaning of this definite integral. AP Calculus, Semester 2 Page 7 of 12 Full Name: User Name: Date: (print clearly) B. Does the estimate in part A overestimate or underestimate the value of frate(t) dr on the interval 0 S t