Answer:
f(x) = 0.5x
Explanation:
note that each of the values in the range is half its corresponding value in the domain
- 4 ÷ 2 = - 2
- 2 ÷ 2 = - 1
0 ÷ 2 = 0
2 ÷ 2 = 1
4 ÷ 2 = 2
then
f(x) = x = 0.5x
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