I need a picture of the figures to help with this!
Answer:
domain = (0,5,7)
range = (-5,1,5,7)
Step-by-step explanation:
domains are the x in (x,y) , and ranges are y in the (x,y) relations.
And how would I do that via computer? If this is homework, do it your self, it's not that hard. Draw it and scan it (man computer doesn't have the ability to scan things)
The given sequence is:

a(2)=1
a(3)=3
a(4)=9
We are to find the average rate of change between n=3 and n=4 for the given function.
Average rate of change =

So the average rate of change for the given function from n = 3 to n = 4 is 6