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Domain of a Function




 


Videos and lessons to help High School students learn how to relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes.

For example, if the function h(n) gives the number of person-hours it takes to assemble n engines in a factory, then the positive integers would be an appropriate domain for the function.
  • Identify domains of functions given a graph.
  • Identify a domain in a particular context.

Common Core: HSF-IF.B.5

Related Topics:
Common Core (Functions)

Common Core for Mathematics

F.IF.5 Interpret the Domain and Range of a Function.


Domain and Range of a Function.





Domain and Range
Eric is selling raffle tickets for a school fundraiser. Each ticket costs $3. He knows that the amount he collects is a function of how many tickets he sells. What are the domain and range for that function?


Domain and Range in Real World Problems
Graphing a given real-world function and identifying the domain and range.



 

Domain and Range word Problems.


Domain and Range of a function given graph.




Finding Domain and Range of a Function using a Graph.


How to find the domain and range of a function using the graph
This video shows how you can use the graph of a function to determine its domain and range. Remember to use the x-axis to help you determine the domain, and the y-axis to help you determine the range.



 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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