Differential Calculus
The domain of a function refers to the complete set of possible input values (or 'x' values) for which the function is defined. Understanding the domain is essential because it sets the limits for how a function behaves, influencing its transformations, types, and graphical representations. Identifying the domain helps in recognizing where a function is valid and where it might encounter restrictions, such as division by zero or square roots of negative numbers.
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