What is the range of the function f(x)=(x−1)2 when the domain is {-5, 0, 5}?

Question

i just don't understand the concept considering my answer choices.

Answer 1

f(x) = (x - 1)2

f(x) = 2x - 2

let x = -5, f(x) = -12

let x = 0, f(x) = -2

let x = 5, f(x) = 8

range is {-12, -2, 8}