Hi thanks for the answers and I got most of them right but I got a question.

On Q3 what does the graph suppose to look like?

And on Q7a how did you get +4 on 8x^-1 to get the value for c. because if x = 2 I got 1/8(2) so I got 1/16 because I thought the power of -1 meant 1 over.

Thank You