In Class Exam 2 Review, Key

1. a) 1 b) c) 8 d) 1 e) infinity

2.

3.

4. a) d) yes

5.

6. a) -cosx b) c)

7. a=2 or a=1

8. L(x)= -20(x-1) + 4 The approximation is 2.

9. a) b)

10. 8/3 square cm. per hour