Khan Academy: Algebra: Domain and Range of a Function Given a Formula

After defining a simple function from a word problem, this video shows how to find the domain and range of that function. The goal is to reinforce the definitions of domain and range with a concrete example.

Video determining the domain and range of a relation given as a table of values. [2:43]

Video solving for the domain and range of a specific function defined verbally. Equation for function is found before defining the domain and range. [3:36]

Sal introduces the concept of "range" of a function and gives examples for functions and their ranges. [6:38]

Video graphing a function given the domain and range. [3:08]

Explore the world of domain and range of a function in this mini-lesson. Learn how to find the domain and range of a graph, trigonometric functions, exponential functions, and domain and range equation. Includes examples and practice...

Given a situation that can be modeled by a quadratic function or the graph of a quadratic function, the student will determine restrictions as necessary on the domain and range of the function.

[Free Registration/Login may be required to access all resource tools.] Find the domain and range of a function and make a table of values for a function.

Video shows how to use the quadratic formula to find roots of a quadratic equation in a situation where the roots are complex. Includes showing how to verify the answers are correct solutions of the quadratic. [10:15]

[Free Registration/Login may be required to access all resource tools.] This concept introduces how to find the domain and range of relations.