**Question 7)**

a)

- Which i got correct :

*a*= 4 and

*b*= 5.

**b)**

- I dont understand what the domain is or how to go about doing this part of the question.

**And also**

**Question 8)**

a)

- I got this part of the question correct : (x-3) (2x-3) (x+1)

**b).**

- I got this part of the question correct : (-1,0) (3/2,0) and (3,0)

but i think it was just luck , could someone explain how to do this.

**c)**

- No idea what this question means

Thanks