**Q8: **

Solve .

- A
- B or
- C or
- D
- E

**Q9: **

Find the value of , given the set contains the zero of the function .

**Q10: **

Determine the solution set of the equation in .

- A
- B
- C
- D
- E

**Q11: **

Solve the equation .

- A , ,
- B , ,
- C , ,
- D , ,
- E , ,

**Q12: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q13: **

Solve the equation .

- A , ,
- B , ,
- C , ,
- D , ,
- E , ,

**Q14: **

Solve .

- A
- B or
- C or
- D
- E