for questions 3-4 which kind of function best models the data in the table? use differences or ratios.


x y
_____
0 -1
1 -0.5
2 0
3 0.5
4 1

a)liner
b)quadratic
c)exponential
d)none of these



x y
_____
o 1.7
1 6.8
2 27.2
3 108.8
4 435.2

a)liner
b)quadratic
c)exponential
d)none of these