What is the domain and range of y=1x−2?

1 Answer
bp
Dec 24, 2016

Domain (−∞,2)U(2,∞)

Range (−∞,0)U(0,∞)

Explanation:

Domain is all x except x=2. at which y becomes undefined. (−∞,2)U(2,∞)

For range solve y=1x−2 for x, It is x= 2+1/y. Here x becomes undefined for y=0. Hence Range of y would be (−∞,0)U(0,∞)

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