Riddle me this
Am I a function?
What's my function?
Graph What?
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
Evaluate y = 2x +1 when x = -3
y = -5
100
Based on the graph of function, What is y when x = 2?
y = 3
200
I shave every day, but my beard stays the same. What am I?
A barber
200
Yes
200
Evaluate y= 2(x + 1) when x = -5
y = -8
200
Based on the graph of function, what is y when x =-5?
y = 0
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
Evaluate y = x2 - 2 when x = 4
y = 14
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
Evaluate y = 4x - 1 when x= -2
y = -9
400
Based on the function, what is y when x = -3?
y = -3