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Domain, codomain and range of a function

- a function relates inputs to outputs - a function takes elements from a set and relates them to elements in a set What can go into a function is called the domain: -->The domain of a function is the set of all possible input values What may possibly come out of a function is called the codomain. What actually comes out of a function is called the range: --> The range of a function is the set of all possible output values Example: Domain: {1, 2, 3, 4} Codomain: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} Range: {3, 5, 7, 9}

Domain and range

Questions

1) What is the domain of a function?

2) What is the difference between the codomain and the range?

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