Relations & Functions Test

A function is a relation in which all ​ (a)   are ​ (b)   .

• y-values
• x-values
• different
• repeating

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Which is the correct mapping for the relation

{(1, 7), (3, 8), (3, 6), (6, 5), (2, 11), (1, 4)}?

• 
• 
• 
• 

Is this mapping a function or not a function? 

• Function

  All the x-values are listed once in the mapping.

• Not a Function - the x-value 6 has two arrows meaning it is paired with two y-values.

• Not a function - the y-value 10 has two arrows pointing to it.

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

The mapping is (a)   .

• a function
• not a Function 

Match the following.

• Find the slope, or pattern.

• To determine if a graph is linear...

• The x-values can not repeat.

• To determine if a table is linear...

• The graph must form a line.

• To determine if a graph is a function...

• Use the vertical line test.

• To determine if a table is a function...

Is this graph a function or not a function? 

• Function - it passes the Vertical Line Test

• Not a Function - it fails the Horizontal Line Test

Select all terms that describe the graph.

• Function

• Not a Function

• Linear

• Nonlinear

Is this graph a function or not a function? 

• Function

• Not a Function