Intro to Functions (Algebra 1)

Front

What are all of the y values or outputs in a function called?

Back

Range

Front

What is the range of the relation (9, -2), (4, 3), (8, 10), (-4, 8)?

Back

{-2, 3, 8, 10}

Front

Does the relation (1,5), (1,6), (1,7), (1,8), (1,9) represent a function?

Back

No

Front

Is the table of values a function if it has unique x values?

Back

Function

Front

Is the relation (2,3), (2,4), (3,5) a function?

Back

Not a Function

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the domain of a function?

Back

The set of all possible input values (x values).

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function.

Front

What is an example of a relation that is not a function?

Back

(1,2), (1,3) is not a function because the input 1 has two outputs.

Front

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

Back

Each input must correspond to exactly one output.