which of the following gives an example of a function that is not linear?

a. 2x + 3y = 16
b. y= x^2 - 3x + 2.25
c. 9x + 3y - 18 = 0
d. y= 1/6x + 2/3

1 answer

b. y= x^2 - 3x + 2.25