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What is a function in math
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What is a function in math

User Ivan Stoyanov
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It is a relationship/expression that involves one or more variables.
User Bertdida
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A function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
*An example is the function that relates each real number x to its square x2.
User Satish Sharma
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