Do Now Function Review 2.4.2020

Choose the best answer that describes the image.

• Function
• Relation
• Function and Relation
• Neither a relation nor a function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

A relation is a function when.......

• the input is only with one output.
• the input is repeating with different output.
• the output is repeating.
• the input is repeating.

Tags

CCSS.8.F.A.1

Which of these tables represent a function?

• A
• B
• C
• D

Tags

CCSS.8.F.A.1

Is this graph a function and how can you tell?

• Yes its a function cause it doesn't cross itself
• No it's not a function because it goes through the origin
• No it's not a function because the x value 4 has y values of  -2 & 2
• No it's not a function because the y value 4 has x values of  -2 & 2

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Is this mapping a function and how can you tell?

• Yes its a function cause all the numbers have lines
• No it's not a function because there a 5 in both ovals
• No it's not a function because the x value 5 has y values of  2 & 9
• No it's not a function because the y value 5 has x values of  2 & 9

Tags

CCSS.8.F.A.1

Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers
• No it's not a function because the y value 4 repeated
• No it isn't a function because the x value 2 is repeated
• No it's not a function because the x value 5 has y values of  10 & 12

Tags

CCSS.8.F.A.1

Which of the following guarantees a table will not be a function?

• A x value repeats
• An y value repeats
• An x value repeats and has different y values
• A y value repeats and has different x values

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat
• No it's not a function because there are negative numbers
• No it isn't a function because an x value repeats but has different y values 
• No it isn't a function because an y value repeats but has different x values

Tags

CCSS.8.F.A.1

How do you administer a vertical line test.

• You don't only doctor's are allowed to do those
• Draw lines straight across your graph and see if any hit the graph more than once
• Draw lines straight down your graph and see if any hit the graph more than once
• Check to see if the graph is a vertical line( straight up)

Tags

CCSS.8.F.A.1