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In the function \(f:A\to\mathbb{R}\), what does the set \(A\) represent?

Answer and explanation

Correct answer: Domain

In \(f:A\to\mathbb{R}\), the set \(A\) contains the input values of the function, so it is called the domain. The set \(\mathbb{R}\) is the codomain, while the range consists only of the values actually produced by the function and is a subset of \(\mathbb{R}\). Exam tip: in function notation, the set before the arrow is the domain and the set after the arrow is the codomain.

Related tags

DomainCodomainRangeFunctionsClass 11Relations And FunctionsReal Valued FunctionsTheir Domain And RangeReal Valued Functions Their Domain And Range

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