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December 20, 2014

December 20, 2014

Posted by **christina** on Thursday, May 24, 2012 at 9:59pm.

a. f(x)= sqrt x + 5 – 4

b. f(x) = 1/2x^2 – 32

c. f(x) = 4/x^2 + 1

- math -
**Steve**, Friday, May 25, 2012 at 12:23ama. if that's sqrt(x+5), then domain is x >= -5

b. denominator cannot be zero, so all reals except -4,4

c. all reals

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