Julie Z.

asked • 09/18/20

Calculus BC Word Problem NEED HELP ASAP PLS

Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find the upper estimate (left end-points of each rectangle) for the total amount of water that leaked out by using five rectangles.

Give your answer with one decimal place. (10 points)

t (hr)0,2,4,6,8,10
r(t) (gal/hr) 12.0 10.6 8.8 8.0 6.0 4.8


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