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May 22, 2015

Homework Help: alg2/trig

Posted by jaz on Sunday, October 2, 2011 at 3:12pm.

Which expression is defined for all real numbers?

a) x + 3/x^2
b) 5/(x + 2)^2
c)4/(x − 2)^2
d)7/x^2 + 3

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