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How do you find the domain and range of #y = 1/x^2#?

1 Answer

Sep 2, 2015

The domain is #color(red)(x≠0)#; the range is #color(red)(y>0)#.

Explanation:

#y = 1/x^2#

#1/0# is undefined, so #x# cannot equal #0#.

The domain is #x≠0#.

#x^2# is always positive, so the range is #y>0#.

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