Key To Practice Midterm 3

Problem 1

38,565 pounds

Problem 2

A.  (0,4b/3p)

B.  4pab² (p - 2/3)

Problem 3

1. xsin^-1x + (1 - x²)^1/2 + C

2. [(x² - 1)^3/2]/3x³ + C

3. -1/3 ln|x³ - 3x² - 3x + 7| + C

Problem 4

About three years after the study began

Problem 5

A.  e⁴

B.  -.5

Problem 6

A.  1/3

B.  Does not Exist.