Functions vs. Non Functions

• This IS a Function
• This is NOT a Function
• This is a linear function
• This is a toaster oven

Tags

CCSS.8.F.A.1

• Function
• Not a Function
• Venn Diagram
• T - Table

Tags

CCSS.8.F.A.1

• This is a Function
• This is Not a Function

Tags

CCSS.8.F.A.1

Does the graph represent a function? Does it pass the vertical line test?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values that have different outputs.

• No, because there are not enough dots to tell

• Yes because the dots are all red

Look at the table.

Is the relation a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this relation a function?

• Yes

• No

Does the mapping represent a function?

• It does represent a function because each input has one output.

• It does represent a function because each output has one input.

• It does not represent a function because an input has more than one output.

• It does not represent a function because an output has more than one input.

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

Which set of ordered pairs represents a function?

• <(3, 2), (4, 4), (6, 3), (4, 5)>

• <(4, –3), (4, –1), (4, 3), (4, 6)>

• <(–4, 4), (–2, 4), (1, 4), (5, 4)>

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

Tags

CCSS.8.F.A.1

Look at the graph.

Is this relation a function?

• Yes

• No