Riddle me this
Am I a function?
What's my function?
Tablesssss
Are you having fun(ction)?
100
What month of the year has 28 days?
All of them
100
Does the following table represent a function?
x y
1 2
2 5
5 8
8 12
10 15
Yes, each input only has one output.
100
Given f(x) = 2x +1 find f(-3)
f(x) = -5
100
What is the function rule/equation for the given table?
x -1 0 1
y 3 8 13
times 5, plus 8 OR f(x) = 5x + 8
100
A relation where each input (x) has exactly one output (y).
A function
200
What is cut on a table, but is never eaten?
A deck of cards
200
Yes
200
Given f(x)= x2 + x + 1 find f(-5)
f(x) = 21
200
A table of values for a linear function is given. Fill in the missing value.
x -1 0 1
y 3 -2 ?
y = -7
200
The test used on a graph to determine if a relation is a function.
The Vertical Line Test
300
What has a head and a tail but no body?
A Coin
300
Is this a function and why?
No because x=8 has two outputs (3 and -3)
300
Given f(x) = x2 - 2 find f(-2)
f(x) = 2
300
What is the function rule/equation for the given table?
x 2 3 5
y 2 1 -1
times -1, plus 4 OR y = -x + 4
300
True or False: A vertical line is a function
FALSE
400
If there are three apples and you take away two, how many apples do you have?
You have two apples
400
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)
400
Given f(x) = 4x2 - 1 find f(-2)
f(x) = 15
400
A table of values for a linear function is given. Fill in the missing value.
x -21 0 21
y -4 -7 ?
y = -10
400
The word for the set of all the inputs (x's) in a function.
Domain
500
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
The letter “r”
500
No, vertical lines are not functions.
500
If y = 8 what is x if y = 2x + 4
x = 2
500
A table of values for a linear function is given. Fill in the missing value.
x 1 3 5
y 1 7 ?
y = 13
500
The word for the set of all the output values (y's) in a function.
Range