USA Today is a national American daily newspaper published by the Gannett Company. It was founded by Al Neuharth in 1982. [ The newspaper vies with The Wall Street Journal for the position of having the widest circulation of any newspaper in the United States, something it previously held since 2003. ]

The domain of a function is the set of all possible input values (often the "x" variable), which produce a valid output from a particular function; the set of all real numbers for which a function is mathematically defined.

Added 5/1/2014 5:26:04 AM

This answer has been confirmed as correct and helpful.

There are no comments.