Function or Not? Flashcard Review

Front

Is this set of ordered pairs a function or not a function? (Example: {(1, 2), (2, 3), (3, 4)})

Back

Function

Front

Is this set of ordered pairs a function or not a function? (Example: {(1, 2), (1, 3), (2, 4)})

Back

Not a Function

Front

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

Back

Not a Function

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represents a point on a graph.

Front

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

Back

Each input (x-value) is associated with exactly one output (y-value).

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Front

What is the vertical line test?

Back

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 is a domain in a function?

Back

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

Front

What is a range in a function?

Back

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