**Q1: **

Use the given graph of to find all possible intervals on which is concave upward.

- A is concave upward on .
- B is concave upward on .
- C is concave upward on .
- D is concave upward on .
- E is concave upward on .

**Q3: **

Use the given graph of to find all possible intervals on which is concave downward.

- A is concave downward on .
- B is concave downward on and .
- C is concave downward on .
- D is concave downward on and .
- E is concave downward on .

**Q4: **

Use the given graph of to find the coordinates of the point of inflection.

- A
- B
- C
- D
- E ,

**Q5: **

Use the given graph of to find all possible intervals on which is concave upward.

- A is concave upward on and .
- B is concave upward on and .
- C is concave upward on .
- D is concave upward on and .
- E is concave upward on .

**Q6: **

Use the given graph of to find all possible intervals on which is concave downward.

- A is concave downward on .
- B is concave downward on .
- C is concave downward on .
- D is concave downward on and .
- E is concave downward on .

**Q7: **

The graph of the first derivative of a continuous function is shown. On what intervals is concave upward or concave downward?

- A is concave upward on and and concave downward on and .
- B is concave upward on and and concave downward on , , and .
- C is concave upward on and and concave downward on and .
- D is concave upward on , , and and concave downward on and .
- E is concave upward on and and concave downward on and .

**Q8: **

The graph of the first derivative of a continuous function is shown. On what intervals is concave upward or concave downward?

- A is concave upward on and and concave downward on and .
- B is concave upward on and concave downward on and .
- C is concave upward on and and concave downward on and .
- D is concave upward on and and concave downward on .
- E is concave upward on , , and and concave downward on and .