Question

Given the domain values { -2, 0, 2 }, find the range values for the function y = 6x - 3.

Answer 1

{-15, -3, 9}

Explanation:

The range is the set formed by the images of the elements in the domain.

The image of -2 equals 6*(-2) - 3 = -15

The image of 0 equals 6*0 - 3 = -3

The image of 2 equals 6*2 - 3 = 9

Therefore the range is the set

{-15, -3, 9}