What month of the year has 28 days?
All of them
In a function, how many outputs can one input have?
Each input has one and only one output.
Evaluate y = 2x +1 when x = -3
y = -5
f(x) = ?
f(x) = 10x
What bird can not fly?
Penguins
What is cut on a table, but is never eaten?
A deck of cards
Yes
Evaluate y= x2 + x + 1 when x = -5
y = 21
Sally wants to go to an amusement park. The amusement park cost $120 per day(x) and an additional fee of $50.
f(x) = ?
How many weeks are in the year?
52
What has a head and a tail but no body?
A Coin
Is this a function and why?

No because x=8 has two outputs (3 and -3)
Evaluate y = x2 - 2 when x = -2
y = 2
You go to Florida and want to go jet skiing. It cost $100 per person(x) and $75 for the tour guide. What function represents this equation.
f(x) = ?
f(x) = 100x + 75
The third planet from the sun
Earth
If there are three apples and you take away two, how many apples do you have?
You have two apples
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No, because the input (x) of 2 has two different outputs (y)
Evaluate y = 4x2 - 1 when x= -2
y = 15
At the local cafe, a salad cost $5.75. Additional toppings cost $0.50 each. What is the function that represents the situation.
f(x) = ?
f(x) = 0.50x + 5.75
What is the name of the artist who painted the ‘Mona Lisa’?
Leonardo Da Vinci
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
The letter “r”
No, vertical lines are not functions.
If y = 8 what is x if y = 2x + 4
x = 2
You take a class trip to the ice cream shop. They charge $5.00 for a cup of ice cream and $1.25 per topping added. What is the function that represents this problme?
f(x)= ?
f(x) = 1.25x + 5
In Toy Story what is the name of Woody's horse?
Bullseye