Domain
Range
Is this table/graph a function?
Is this scenario a function?
Random
100
Identify the domain. 
-2 ≤ x ≤ 2
100
Identify the range. 
0 ≤ y ≤ 4
100
Function? Yes or no? 
NO.
100
Student to ID number
Each student (input) only gets assigned one ID number (output)
IT'S A FUNCTION.
100
A prisoner is forced to go into one of three rooms, but he can choose which room. The first room is ablaze with fire. The second one is rigged with explosives that will go off as soon as he enters. The third contains a pair of lions who haven't eaten in years. Which room should he choose to survive?
The third room—any lions who hadn't eaten in years would be dead!
200
Identify the domain. 
-4 < x ≤
infty
200
Identify the range. 
1 ≤ y <
infty
200
Function? YES OR NO? 
NO.
200
Model of Car to License Plate Number
One Toyota Camry (input) can have license plates 1234567 and another Toyota Camry can have ABCDEFG.
NOT A FUNCTION.
200
A man is washing windows on the 25th floor of an apartment building. Suddenly, he slips and falls. He has nothing to cushion his fall, and no safety equipment—but he doesn't get hurt. How is this possible?
He was washing the window from inside the building
300
Identify the domain. 
-infty <= x <=infty
300
Identify the range
300
EXPLAIN. Why is this graph a function? 
Because when you create a vertical line anywhere on the graph, it will only touch the graph ONCE. (It passes the VERTICAL LINE TEST)
300
Person's last name to a Person's first name
There can be more than one person with the last name Lopez (input) that have different first names!
(Mr. and Ms. Lopez, Isai Lopez & Cristina Lopez)
NOT A FUNCTION
300
I have hundreds of wheels, but move, I do not.
Call me what I am: Call me a lot.
What am I?
A parking lot
400
Identify the domain. 
400
Identify the range. 
-4 <=y<=3
400
Why is this NOT a function? 
The input of 20 has two different outputs (40 and 42).
The input of 22 has two different outputs (41 and 42).
400
The number of apples bought to the amount paid in the store
If two people buy two apples (input) each, you should expect that both person's pay the same amount (output)
IT'S A FUNCTION
400
I travel all over the world, but always stay in my corner. What am I?
A postage stamp.
500
Identify the domain.
-infty <x<infty
500
Identify the range. 
-infty < y < infty
500
On your board, create an x-y table that is NOT a function.
.
500
A person to the length of their shadow when standing in the sun
The person's (input) shadow cannot be two different measurements if only the sun is hitting it
YES IT'S A FUNCTION
500
How many seconds are there in a year?
12 of them.
January 2nd, February 2nd, etc...