Math Medics
S.o.s. Math: On Inverse Functions With Restricted Domains
Offers a step-by-step explanation of a one-to-one function problem on inverse functions with restricted domains, clearly using the horizontal line test. Includes sample problems.
Texas Education Agency
Texas Gateway: Domain and Range: Contextual Situations
The student will be able to identify and determine reasonable values for the domain and range from any given contextual situation.
Cuemath
Cuemath: Domain and Range of a Function
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...
Texas Instruments
Texas Instruments: Functions
With these questions, students will demonstrate knowledge of the definition of a function as well as domain and range. Students will also be asked to find the composition of two functions. Solutions are provided.
Khan Academy
Khan Academy: Determine the Domain of Functions
Determine the domain of a function according to the algebraic limitations of that function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: Interpreting Functions
During this lesson, students will be introduced to interpreting functions. A function is a relationship between two sets: the domain (input values) and the range (output values).