Solution
Step 1:
The range of a function is the set of outputs the function achieves when it is applied to its whole set of outputs.
Step 2:
Write the domain
{-2 , -1 , 0 , 1}
Step 3:
To find the range, substitute each domain and find the output.

Final answer
Range = {-4, -1 , 2 , 5}
Graph