Algebra 1 Unit 4 Functions Review

Front

Is this graph a function or not a function?

Back

Function

Front

All of the y values or outputs are called what?

Back

Range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Is this mapping a function or not a function?

Back

Not a Function

Tags

CCSS.8.F.A.1

Front

Does the table represent a function?

Back

No, there is a repeated x-value.

Tags

CCSS.8.F.A.1

Front

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Back

D:{0, 1, 2, -4} R:{1, -3, -4}

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

What does it mean for a relation to be not a function?

Back

If at least one input has more than one output.

Tags

CCSS.8.F.A.1

Front

How can you determine if a graph represents a function?

Back

Use the vertical line test; if a vertical line intersects the graph more than once, it is not a function.