Question 1099276: which table of values represents a linear function ?
1. x 1,2,5,7
y 10,18,4,120
2 x 2,3,5,10
y 8,27,125,1000
3 x 0,2,9,11
y 0,4,81,121
4 x 1,3,7,8
y 4,10,22,25
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! It is 4.
1 is not linear since the change from x=1 to x=2 is positive, but x=2 to x=5 is negative.
2 is cubic, where y is the cube of x
3 is quadratic, where y is the square of x
4 is linear, where y is 3 times x +1. x is to the first power or linear.
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