Math 152

Sample Problem Solutions

1. -0.24
2. 
3. 1/3
4. 1.29

2.

1. 
2. 2.08

3.

1. 
2. 
3. xcosx+sinx

4.

5.

6.

1. 65 minutes after the first dose

7. work approaches 1/2a² as x goes to infinity

8.

1. Max occurs at depth 54.7 meters. Max density is 408.4 fish/meter cubed
2. d(0) = 0, d(82) = 0, Inflection point at x = 27.3 meters
3. 4653 fish