Identifying functions- Review for Final

Front

What are the inputs in a function?

Back

X values

Front

What does a mapping diagram represent in terms of functions?

Back

Each input goes to one and only one output.

Front

How can you determine if a graph represents a function?

Back

If every input (X value) has exactly one output (Y value), it is a function.

Front

What are the outputs in a function?

Back

Y values

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the vertical line test?

Back

A method to determine if a graph is a function; if a vertical line crosses the graph more than once, it is not a function.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs, but each input must have only one output.

Front

What is the domain of a function?

Back

The set of all possible input values (X values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (Y values) for the function.

Front

What is a one-to-one function?

Back

A function where each input has a unique output and each output corresponds to a unique input.