Flashcard review

Front

What are all of the x values or inputs in a function called?

Back

Domain

Front

Is the following a relation or function? (Example: {(1,2), (2,3), (3,4)})

Back

Relation

Front

Is the following a relation or function? (Example: {(1,2), (1,3)})

Back

Function

Front

What is the definition of a function?

Back

A function is a relation where each input has exactly one output.

Front

What is the definition of a relation?

Back

A relation is a set of ordered pairs, which may have multiple outputs for a single input.

Front

Is this mapping a function or not a function? (Example: {(1,2), (1,3)})

Back

Not a Function

Front

What is the range of a function?

Back

The range is the set of all possible output values (y values) of a function.

Front

What is an example of a function? (Provide a set of ordered pairs)

Back

Example: {(1,2), (2,3), (3,4)} is a function.

Front

What is an example of a relation that is not a function? (Provide a set of ordered pairs)

Back

Example: {(1,2), (1,3)} is a relation that is not a function.

Front

What does it mean for a function to be one-to-one?

Back

A one-to-one function means that each output is paired with exactly one input.