Rabochaia Tetrad Po Algebre 9 Klass Alimov 12 Oblast Opredeleniia Funktsii -
-values using interval notation. For more examples, see Khan Academy .
In the 9th-grade algebra curriculum (Alimov), finding the domain (область определения функции) involves identifying inputs that avoid division by zero or square roots of negative numbers. The process requires setting up inequalities for roots or non-zero denominators and expressing the allowed -values using interval notation