Function or Not?

Front

What is the definition of a function?

Back

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

Tags

CCSS.8.F.A.1

Front

What does the vertical line test determine?

Back

The vertical line test determines 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 ordered pair?

Back

An ordered pair is a pair of numbers used to represent a point in a coordinate system, typically written as (x, y).

Tags

CCSS.5.G.A.1

Front

Can a function have the same y-value for different x-values?

Back

Yes, a function can have the same y-value for different x-values, as long as each x-value has only one corresponding y-value.

Tags

CCSS.8.F.A.1

Front

What is a relation in mathematics?

Back

A relation is a set of ordered pairs, which can include functions but is not limited to them.

Tags

CCSS.8.F.A.1

Front

What does it mean if an x-value repeats in a set of ordered pairs?

Back

If an x-value repeats with different y-values, the relation is not a function.

Tags

CCSS.8.F.A.1

Front

What is the difference between a function and a non-function?

Back

A function has a unique output for every input, while a non-function may have multiple outputs for a single input.

Tags

CCSS.8.F.A.1

Front

How can you tell if a graph is not a function?

Back

A graph is not a function if any vertical line intersects it at more than one point.

Front

What is a domain in a function?

Back

The domain is the set of all possible input values (x-values) for a function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is a range in a function?

Back

The range is the set of all possible output values (y-values) for a function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1