Homework 3.1 Score: 3.75/8 7/8 answered . Question 1 Liquid leaked from a damaged tank at a rate of r(t) liters per hour. The rate decreased as time passed and values of the rate at four-hour time intervals are shown in the table. t (hr) |r(t) (L/h) 0 10.1 4 9.5 8 9 12 8.4 16 8 20 7.5 Find lower and upper estimates for the total amount of liquid that leaked out. lower estimate = liters upper estimate = liters Question Help: Video Submit QuestionHomework 3.1 Score: 3.75/8 6/8 answered . Question 2 Approximate the area under the curve y = a from * = 0 to a = 3 using a Right Endpoint approximation with 6 subdivisions. Question Help: Video Submit QuestionHomework 3.1 Score: 3.75/8 5/8 answered . Question 4 Approximate the area under the curve graphed below from x = 2 to x = 7 using a Left Endpoint approximation with 5 subdivisions. 2 2 5 6 7 8 Question Help: Video 1 Video 2 Submit QuestionHomework 3.1 Score: 3.758 4/8 answered 0 Question 8 v 1 a: + 1 over the interval [1, 6] using ten Estimate the area under the graph of f(:c) = approximating rectangles and right endpoints. Rn = l i Repeat the approximation using left endpoints. Ln = i l Report answers accurate to 4 places. Remember not to round too early in your calculations. Question Help: El Video Submit