**Q3: **

Find if .

- A
- B
- C
- D

**Q4: **

Differentiate , and identify the value of at which the function is not differentiable.

- A , and the function is not differentiable at .
- B , and the function is not differentiable at .
- C , and the function is not differentiable at .
- D , and the function is not differentiable at .

**Q5: **

Differentiate , and identify the value of at which the function is not differentiable.

- A , and the function is not differentiable at .
- B , and the function is not differentiable at .
- C , and the function is not differentiable at .
- D , and the function is not differentiable at .

**Q6: **

Suppose What can be said of the differentiability of at ?

- AThe function is not differentiable at because is discontinuous at .
- BThe function is continuous but not differentiable at because .
- CThe function is differentiable at as but is not continuous.
- DThe function is differentiable at .
- EThe function is not differentiable at because is undefined.

**Q7: **

Find the derivative of the function using the definition of derivative, and then state the domain of the function and the domain of its derivative.

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

**Q8: **

Let . Use the definition of derivative to determine .

- A
- B
- C
- D

**Q9: **

Find the derivative of the function using the definition of derivative, and then state the domain of the function and the domain of its derivative.

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

**Q10: **

Differentiate , and identify the value of at which the function is not differentiable.

- A , and the function is not differentiable at .
- B , and the function is not differentiable at .
- C , and the function is not differentiable at .
- D , and the function is not differentiable at .