What is the domain? Learn the definition of domains in math and, using some examples, understand how to find the domain of a function with a graph or without it.

What are the domain and range of the graph of a function? In this lesson, learn the definition of domain and range as it applies to functions as well as how it applies to graphs of functions.

Learn how to find the domain and range of a rational function. See graphs of rational functions and asymptotes. View examples of the algebra operations.

Learn how to determine the domain and range of the inverse of a function, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Dec 9, 2019 · When writing the domain of a function, in set builder notation, how does one correctly write the set of all real numbers? E.g. for f(x) = 3x + 2, which of the following would correctly state the …

Learn how to find the domain of a rational function in interval notation, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

May 27, 2025 · What you can do is to write formulas for the domain of the function resulting from each of those operations, expressed in terms of the domains of the input of the operation. Then you can …

Learn how to find domain and range from the graph of an exponential function, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Learn what domain and range of piecewise functions are. Additionally, also see how to find the domain of a fraction that is a part of a piecewise function.

Learn to define what a function means in math. Discover variables and other terms that explain math functions. Learn how to graph functions and see examples.