Functions vs Non Functions

Look at the graph.

Is this relation a function?

• Yes

• No

Which of these relations is a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Does this mapping diagram represent a function?

• No, because there are repeating input values

• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

• Function
• Not a Function

• Function
• Not a Function

Which set of ordered pairs represents a function?

• <(p>{(3, 2), (4, 4), (6, 3), (4, 5)}

• <(p>{(4, –3), (4, –1), (4, 3), (4, 6)}

• <(p>{(–4, 4), (–2, 4), (1, 4), (5, 4)}

• <(p>{(–3, –3), (–2, –4), (–2, –1), (–1, –5)}

Tags

CCSS.8.F.A.1

A student makes a table showing x and y values.

What number can replace the m in the table so that the student's table represents a function?

• -7

• -3

• 2

• 0

Tags

CCSS.8.F.A.1

Look at the table.

Is the relation a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Consider the relation graphed on the coordinate plane.
Which statement is true?

• The relation represents a function because for every input, x-value, there is exactly one output, y-value.

• The relation does not represent a function because for multiple inputs, x-values, there is more than one output, y-value.

• The relation represents a function because for multiple inputs, x-values, there is more than one output, y-value.

• The relation does not represent a function because for every input, x-value, there is exactly one output, y-value.

Look at the graph.

Is this relation a function?

• Yes

• No