Stewart – Calculus ET 8e Chapter 7 Form G
17. Find the area bounded by the curves and between and .
18. Determine whether the improper integral converges or diverges, and if it converges, find its value.
19. A manufacturer of light bulbs wants to produce bulbs that last about hours but, of course,
some bulbs burn out faster than others. Let be the fraction of the company’s bulbs that burn
out before t hours. lies between 0 and 1.
Let . What is the value of ?
____ 20. The region is represented below.
Find the area of this region to two decimal places. Select the correct answer.
246810–2–4–6–8–10 x
2
4
6
8
10
–2
–4
–6
–8
–10
y
a.
b.
c.
d.
e. 17.93