Identifying Functions Practice

Front

What are all of the y values in a function called?

Back

Outputs

Front

Is the following a function? (Provide reasoning)

Back

No, it's not a function.

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

Back

Function.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values).

Front

What is the range of a function?

Back

The set of all possible output values (y-values).

Front

What is a one-to-one function?

Back

A function where each output is paired with exactly one input.

Front

What is a vertical line test?

Back

A method to determine if a relation is a function by checking if any vertical line intersects the graph more than once.

Front

What does it mean for a function to be defined?

Back

It means that for every input, there is a corresponding output.