This is the graph of a diagnol line.
Range: (-infinity, infinity)
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y ∈ ℜ
y < 1
if you mean y=(x+2)/x, the range is all reals except y=1 If you mean y=x+2/x, the range is (-inf, -2sqrt(2)] U [2sqrt(2),+inf)
x = -2
X=4.2666666666667