Domain and Range Functions Practice

Front

What is the definition of a function?

Back

A function is a relation in which each input (x-value) is associated with exactly one output (y-value).

Front

What is the vertical line test?

Back

The vertical line test is a method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.

Front

What does it mean for a relation to be a function?

Back

A relation is a function if every input has a unique output.

Front

Identify if the following is a function: {(1, 2), (2, 3), (1, 4)}

Back

Not a Function (the input '1' has two different outputs: '2' and '4').

Front

Identify if the following is a function: {(1, 2), (2, 3), (3, 4)}

Back

Function (each input has a unique output).

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

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

Front

Which of the following sets of values is a function? (1,2), (2,3), (3,4), (1,4)

Back

Not a Function (the input '1' has two different outputs: '2' and '4').

Front

Which of the following sets of values is a function? (1,2), (2,3), (3,4), (4,5)

Back

Function (each input has a unique output).

Front

What is an example of a function in a real-world context?

Back

A vending machine is a function: each button (input) corresponds to one specific item (output).