- Finding the Domain of a Function - Cool Math
Finding the Domain of a Function - Cool Math has free online cool math lessons, cool math games and fun math activities Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too
- 17. 2. 3: Finding Domain and Range - Mathematics LibreTexts
Restricting the Domain There are two main reasons why domains are restricted You can’t divide by 0 You can’t take the square root (or other even root) of a negative number, as the result will not be a real number
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