Chapter 8, Problem 17RE

Time spent running (minutes) 0 15 30 45 60 75 Speed (mph) 13 11 10 9 8 0 Draw rectangles on this graph to help you underestimate the total distance traveled by the runner during the whole time. What underestimate did you obtain?   Draw rectangles on this graph to help you overestimate the total distance traveled by the runner during the whole time. What overestimate did you obtain?

T/2 /3 9/1 32 3- 3. 元 4. 5. A. Find the shaded region in the graph.

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle. y = x2 - 3x, y = 2x y y 10- 8 6 -10 -8 -6 -4 4 2 4 6 8 10 y 10-