Functions Review

Front

What are all of the x values or inputs called?

Back

Domain

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

Is this graph a function or not a function?

Back

Function

Front

What is the definition of a function?

Back

Every input has only ONE output

Front

Is this mapping a function or not a function?

Back

Not a Function

Front

What are all of the y values or outputs called?

Back

Range

Front

What is a relation in mathematics?

Back

A set of ordered pairs.

Front

What is the vertical line test?

Back

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

Front

What is an example of a function?

Back

f(x) = 2x + 3

Front

What is a non-function?

Back

A relation where at least one input has multiple outputs.