Functions

Front

What is the domain of the function {(0,1), (1,-3), (2,-4), (-4,1)}?

Back

D: {0, 1, 2, -4}

Front

What is the range of the function {(0,1), (1,-3), (2,-4), (-4,1)}?

Back

R: {1, -3, -4}

Front

What are all the x values or inputs in a function called?

Back

Domain

Front

Is the relation {(0,1), (1,-3), (2,-4), (1,2)} a function?

Back

Not a Function

Front

Is the relation {(0,1), (1,-3), (2,-4)} a function? Why?

Back

Yes, because each x-value has only one y-value paired with it.

Front

What is a function?

Back

A relation where each input (x-value) has exactly one output (y-value).

Front

What is the range of a function?

Back

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

Front

What is a relation in mathematics?

Back

A set of ordered pairs (x, y).

Front

How can you determine if a graph represents a function?

Back

Use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

Front

What does it mean if a function is not a function?

Back

It means that at least one x-value is paired with more than one y-value.