Functions, Functions, Functions!

Front

Is this mapping a function or not a function?

Back

Function

Front

What is the definition of function?

Back

Every input has only ONE output.

Front

What is the range of the graph?

Back

-2 ≤ x ≤ 10

Front

What is the domain of the graph?

Back

-3 ≤ x ≤ 3

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the difference between domain and range?

Back

Domain is the set of all possible input values; range is the set of all possible output values.

Front

What does it mean for a function to be one-to-one?

Back

Each output is paired with exactly one input.

Front

What is a vertical line test?

Back

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

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function because each x-value has one corresponding y-value.