Question

The function is defined as follows for the domain given.

f(x)=3x+2, domain = (-2,-1,0, 1}
What is the range?

Answer 1

- 4, - 1, 2, 5

Explanation:

To find the range, simply substitute each of the domains into the function to get the y-values.

f(-2) = 3(-2) + 2

= - 6 + 2

= - 4

f(- 1) = 3(-1) + 2

= - 3 + 2

= - 1

f(0) = 3(0) + 2

= 0 + 2

= 2

f(1) = 3(1) + 2

= 3 + 2

= 5

The range is - 4, -1, 2, 5.