Riddle me this
Am I a function?
What's my function?
Fill in the blank
Word Problems
Graph What?
100
Why did the phone start wearing glasses?
It lost all of his contacts.
100
In a function, how many outputs can one input have?
Each input has one and only one output.
100
Evaluate y = 2x +1 when x = -3
y = -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
Joy ran 2 miles in 14 minutes. How long did it take her to run 1 mile?
7 minutes
100
Based on the graph of function, What is y when x=2?
y = 3
200
Double points!!!
What did zero say to eight?
Nice belt
200
Yes
200
Evaluate y= x2 + x + 1 when x = -5
y = 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
Who is traveling faster? A horse running 20 miles in 7 hours or a person walking 30 miles in 10 hours?
The horse!
20/7 = 2.85 miles per hour
30/10 = 3 miles per hour
200
Based on the graph of function, what is y when x=0?
y = 4
300
Why can't you hear a pterodactyl going to the bathroom?
Because the "P" is silent!
300
Is this a function and why?
No because x=8 has two outputs (3 and -3)
300
Evaluate y = x2 - 2 when x = -2
y = 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
Write a rule for the sequence below:
x=2, y=10
x=4, y= 20
y = 5x
OR
multiply by 5
300
Based on the graph of the function, what is y when x=4?
y = -2
400
What do you call a pile of cats?
A meow-tain.
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
Evaluate y = 4x2 - 1 when x= -2
y = 15
400
If the following table linear? Explain.
x = 3 4 5
y = 9 16 25
NO! the rule for the table is x2
400
Who has the better deal?
Store A sells cupcakes: 6 for $8
Store B sells cupcakes: 4 for $6
Store A
A: 8/6 = $1.33 per cupcake
B: 6/4 = $1.50 per cupcake
400
f(x) = 2x - 10
f(-3) =
f(-3) = -16
500
Why do cows wear bells?
Because their horns don't work.
500
Graph the following points:
(1,3)
(1,4)
(1,10)
Is this a function?
No, it does not pass the vertical line test.
500
If y = 8 what is x if y = 2x + 4
x = 2
500
If x = 25, find the value when f(x) = -3x + 98
f(25) = 23
500
From the park, Jade walked 2 miles east, 4 miles north, and 2 miles east and ended at the train station. From the same park, Sarah walked 4 miles east, 3 miles north, and 2 miles east. Did Sarah make it to the train station?
No- she passed it.
500
Given f(x) = -x + 9, if f(x) = 10
x = -1