Spread the loveIntroduction: The domain of a function pertains to the range of input values upon which a function behaves appropriately. In functions, these inputs are often expressed as “x” values.

4. Radical functions: For radical functions like y = √(x – a), determine the domain by solving inequalities. Set the expression inside the square root to be greater than or equal to zero (x – a ≥ 0) ...