Me, with this
1a.) mr moyo has just retired and would like to receive $800 at the end of every month for 10 years .if money can be invested at 15% p. a compounded monthly , how much money should be deposited today?
(6 marks)

3; 9 is 8 to -4

step-by-step explanation:

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)