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