Question

Do the data in the table represent a linear function? If so, write a rule for the function.

x -2 -1 0 1 2
y -7 1 8 17 25

yes; y = 8x+9

yes; y = 8x+8

yes; y = = 1/8 x+8

no

Answer 1

; the rate of change between the x-values and y-values is not constant.