Understand Functions

Functions

Please have your notebook out and ready to take notes

Multiple Choice

Can the X value repeat?

• yes

• no

• I was not paying attention

Multiple Choice

Can the Y-value repeat

• Yes

• No

• I was not paying attention

Real Life Function

Vending Machine

Real Life Function

Putting fuel in a car...miles to gallons

Real Life Function

A weekly salary is a function of the hourly pay rate and the number of hours worked.

Multiple Choice

Is the following table a function?

• Yes

• NO

• I did not pay attention

Multiple Choice

Is this table a function or not a function? 

• Function
• Not a Function

Multiple Choice

Is the relation a function?

• yes, it is a function
• no, it is not a function
• not enough information to determine

Multiple Choice

Is this table a function or not a function? 

• Function
• Not a Function

Poll

Do you understand and know what a function would look like on a table?

• yes

• no

• maybe

• I was not paying attention

Open Ended

What do you need help understanding with functions on a table?

**If you understand functions on a table type in N/A**

Multiple Choice

Does this represent Y as a function of X?

• Yes

• No

Multiple Choice

Does this represent Y as a function of X?

• Yes

• No

Multiple Choice

Does this represent a function?

• Yes

• No

Multiple Choice

Does this represent Y as a function of X?

• Yes

• No

• oohhh.....Spider Webbs!

Poll

Do you understand and know what a function would look like on a mapping ?

• yes

• no

• maybe

• I was not paying attention

Open Ended

What do you need help understanding with functions on mappings?

**If you understand functions on a table type in N/A**

Open Ended

How do you perform/Create a VLT?

Multiple Choice

Is this graph a function or not a function?

Think about the VLT

• Function

• Not a Function

Multiple Choice

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Open Ended

Is the following graph a function ?

Multiple Choice

Is this graph a function or not a function?

Think about the VLT

• Function

• Not a Function

Poll

Do you understand and know what a function would look like on a graph ?

• yes

• no

• maybe

• I was not paying attention

Open Ended

What do you need help understanding with functions on graphs?

**VLT

**If you understand functions on a graph type in N/A**

Multiple Choice

IS THE FOLLOWING SET OF ORDERED PAIRS A FUNCTION?

(9, -2) (4, 3) ( 8, 10) ( -4, 8)

• NO

• YEA

• I WAS NOT PAYING ATTENTION

• (8, 10) (-4, 8)

Multiple Choice

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Multiple Choice

Is the following ordered pair a function?

{(0,1), (1,-3), (2,-4), (-4,1)},

• no

• yes

• I was not paying attention

Multiple Choice

Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5) 

• (3, 7)
• (4, 1) 
• (1, 9)
• (2, 6)

Multiple Choice

Given the points (3, 5) (2, 4) (9, 0) and (?, 6). What could replace the ? to create a NON-FUNCTION?

• 1

• 3

• 4

• 7

Poll

Do you understand and know what a function would look like as an ordered pair ?

• yes

• no

• maybe

• I was not paying attention

Open Ended

What do you need help understanding with functions -ordered pair

**If you understand functions as an ordered pair type in N/A**