SOLUTION: find the domain of f(x)=4log8(x2) and write in interval notations

Question 246246: find the domain of f(x)=4log8(x2)
and write in interval notations
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
The restriction for logarithms is that you can't have a log of 0, and you can't have a log of a negative number. In other words, x^2>0.

Having said that, x can be any number except x cannot equal zero! In interval notation, this would be
{-inf, 0) U {0, inf).

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus

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