Riddle me this
Am I a function?
What's my function?
Fill in the blank
Graphs
100
What month of the year has 28 days?
All of them
100
In a function, how many outputs can one input have?
Each input has one and only one output.
100
Find f(-3) when f(x) = 2x+1
f(-3) = -5
100
A table of values for a linear function is given. Fill in the missing value.
x -1 0 1
y 3 8 ?
y = 13
100
Based on the graph of function, What is y when x=2?
y = 3
200
What is cut on a table, but is never eaten?
A deck of cards
200
Yes
200
Find f(-5) when f(x)=x2+x+1
f(-5) = 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
Based on the graph of function, what is y when x=0?
y = 4
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
Find f(-2) when f(x)= x2-2
f(-2) = 2
300
A table of values for a linear function is given. Fill in the missing value.
x 2 3 5
y 2 1 ?
y = -1
300
Based on the graph of the function, what is y when x=4?
y = -2
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
Find f(-4) when f(x) = 4x2 + 3
f(-4) = 67
400
A table of values for a linear function is given. Fill in the missing value.
x -21 0 42
y -4 -7 ?
y = -13
400
Find x when f(x) = -3
f(-3)
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 f(x)=2x + 4 and f(x) = 8, what does x equal?
x = 2
500
Find the 10th term of the sequence
-10, -13, -16, -19, ...
-37
500
Find x when f(x) = -2
x = -1,4