Recognizing Linear and Exponential Data

The problem: For each table of data, find either a linear or exponential function that models the data.

a).
x
0
1
2
3
y
-3
-1.5
0
1.5
b).
x
0
1
2
3
4
y
16
4
1
1/4
1/16
c).
x
0
1
2
3
y
3
4.5
6.75
10.125
d).
x
0
1
2
3
4
y
16
12
8
4
0

 

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