The mathematical explanation is that if f(x) = x + 2 and y (x) = x -2, the relationship is inverse. Also, f(x) = -x and f(x) = 1/x to eliminate a zero value.
I can't figure out a factor for this but graphing it shows x = -2 and +1 as real roots.
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Answer:
Y=4-2x
If need step by step please message me! And yes this is the right answer!