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Question

What is Domain and Range of a Function?


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Solution

Domain

  • A function is a relation if and only if for every input value, there is only one output value.
  • The set of input values is called a domain.
  • The domain is the independent variable.

Range

  • It is the set of values corresponding to the domain for a given function or relation.
  • It is dependent on the domain.
  • In a function, there will be only one range value corresponding to a domain value.
  • The general form of a function is y=fx where x is the domain and yis the range

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