Relations and Functions | General Mathematics | Grade 11

General Mathematics
Relations and Functions

An ordered pair is a set of inputs and outputs and represents a relationship between the two values. A relation is a set of inputs and outputs, and a function is a relation with one output for each input.

Some relationships make sense and others don’t. Functions are relationships that make sense. All functions are relations, but not all relations are functions. A function is a relation that for each input, there is only one output.

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