Functions or Not Functions Flashcard

Front

What is the definition of a function?

Back

A function is a relation where every input has only ONE output.

Front

Is the mapping (2,3), (2,4), (3,5) a function or not a function?

Back

Not a Function

Front

Is the mapping (1,2), (2,3), (3,4) a function or not a function?

Back

Function

Front

Which set of values is a function? (1,2) (2,3) (3,4) (1,5), (4,5) (5,6) (6,7) (4,8), (2,3) (2,4) (3,5) (3,6)

Back

(1,2) (2,3) (3,4) (1,5)

Front

Is the graph of y = x^2 a function or not a function?

Back

Function

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 an input in a function?

Back

An input is a value that is put into a function to obtain an output.

Front

What is an output in a function?

Back

An output is the result obtained from a function after applying an input.

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 a mapping diagram?

Back

A visual representation of a function that shows how each input is paired with an output.