Domain restrictions are limitations placed on the set of input values (or independent variable) in a mathematical function. They specify which values are valid and meaningful within a given context.
Related terms
Range Restrictions: Range restrictions limit the set of output values (or dependent variable) in a mathematical function.
Interval Notation: Interval notation is used to express domains and ranges by specifying intervals rather than listing individual numbers.
Piecewise Function: A piecewise function is defined differently depending on different intervals within its domain.