Combinations of Functions and Their Domains

We add numbers, so why not functions? A math video explains the process of combining functions using addition, subtraction, multiplication, and division. The instructor then finds the domain for each new function. 

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CCSS: Adaptable
Instructional Ideas

  • Assign the video as homework; ask learners to complete problems the following day
  • Include different types of functions in problems for guided practice
Classroom Considerations

  • Classroom must have Internet access to show a YouTube video
  • The video is a continuation of a function review series composed of 29 lessons
Pros

  • Instructor uses clear and thorough explanations
Cons

  • Does not include real-life examples, and the example uses only polynomial functions
Common Core