How do I find the domain of log10 (x^2 - 4)?

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- November 9th 2009, 11:10 PMjzelltDomain of log function
How do I find the domain of log10 (x^2 - 4)?

- November 10th 2009, 12:00 AMBacterius
What is the domain is the base 10 logarithm ? It is . Therefore, the domain of this function is :

OR

Therefore, the domain of this function is and - November 10th 2009, 12:26 AMDefunkt
- November 10th 2009, 02:39 AMHallsofIvy
- November 10th 2009, 10:42 AMBacterius
Yes sorry I meant .

- November 10th 2009, 12:46 PMDefunkt
- November 10th 2009, 04:30 PMBacterius
Oh my mistake, sorry. It is indeed (Speechless)