What does the term 'domain' of a function refer to?

Practice Questions

Q1
What does the term 'domain' of a function refer to?
  1. The set of all possible input values.
  2. The set of all possible output values.
  3. The maximum value of the function.
  4. The slope of the function.

Questions & Step-by-Step Solutions

What does the term 'domain' of a function refer to?
  • Step 1: Understand that a function takes an input and gives an output.
  • Step 2: The input is often called the independent variable.
  • Step 3: The domain is all the possible values that this input can take.
  • Step 4: For example, if a function takes any real number as input, its domain is all real numbers.
  • Step 5: If a function only accepts positive numbers, then its domain is only positive numbers.
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