Pre calc question ....very easy

Mathematics
Tutor: None Selected Time limit: 1 Day

May 13th, 2015

Any x is allowed here except those for which the denominator is zero.

x^2 - 4 = 0, x^2 = 4, x = +-2.

So the domain is R\{-2, 2} or in interval notation (-∞, -2) U (-2, 2) U (2, +∞)

May 13th, 2015

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May 13th, 2015
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