An understanding of the basics of a function is key to success in upper-level math courses! A video describes in detail the important aspects of functions including domain, range, combinations, compositions, and vertical line test. 

Concepts

function machine, domain, range, one-to-one correspondence, functions, compositions

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Additional Tags

math

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Instructional Ideas

• Use as an introduction to functions and the basic concepts related to functions
• Post the video as a resource for absent learners or those needing extra instruction

Classroom Considerations

• Requires Internet access
• Lesson begins a 29-part series on functions

• This video is hosted on YouTube

Pros

• Visuals enrich the lesson and improve understanding
• Pupils can watch it over and over again to ensure their understanding of these basic concepts

Cons

• The instruction on range is incomplete for the example used

Common Core

HSF-IF.A.1