Homework 3.1 Score: 0/8 0/8 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 8.2 4 7.8 8 7.3 12 7 16 6.6 20 6.2 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: 0/8 0/8 answered Question 2 Approximate the area under the curve y = a from x = 3 to x = 6 using a Right Endpoint approximation with 6 subdivisions. Question Help: Video Submit QuestionHomework 3.1 Score: 0/8 0/8 answered .Question 3 > Evaluate the integral below by interpreting y=f(x) it in terms of areas in the figure. A1 A3 The areas of the labeled regions are 10 5 A4 A2 10 A1= 6, A2=4, A3=2 and A4=1 (figure is NOT to scale) v= f(x) da V = Enter your answer as a whole number Question Help: Video Submit QuestionHomework 3.1 Score: 0/8 0/8 answered . Question 4 Approximate the area under the curve graphed below from * = 2 to * = 6 using a Left Endpoint approximation with 4 subdivisions. 4 3 2 2 3 4 5 6 7 Question Help: Video 1 Video 2 Submit QuestionHomework 3.1 Score: 0/8 0/8 answered . Question 5 Evaluate the definite integral by interpreting it in terms of areas. 1, (5x - 20)da Question Help: Video Submit QuestionHomework 3.1 Score: 0/8 0/8 answered Question 6 > 3 Z To find the blue shaded area above, we would calculate: ( f(x)da = area Where: a = b = f (ac) = area Question Help: Video Submit QuestionHomework 3.1 Score: 018 DIS answered 0 Question 7 v 1 3+2 Estimate the area under the graph of at) = over the interval [2, 6] using ten approximating rectangles and right endpoints. Rn =1 l Repeat the approximation using left endpoints. Ln = l l Report answers accurate to 4 places. Remember not to round too early in your calculations. Question Help: EIVideo Submit