Riddle me this
Am I a function?
What's my function?
Independent and Dependent
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
Identify the independent and dependent variable
The number of quarters you put into a parking meter affects the amount of time you have on the meter.
Independent: number of quarters
Dependent: amount of time
100
What is the slope of the graph?
rise = -5
run = 3
slope = -5/3
200
What does the dashed orange line represent?
The Vertical Line Test
200
Yes
200
Evaluate y= x2 + x + 1 when x = -5
y = 21
200
Identify the independent and dependent variables
The battery power remaining on your radio is based on the amount of time you listen to it
Independent: Amount of time you listen
Dependent: Battery remaining
200
Based on the graph of function, what is y when x =-5?
y = 0
300
What is a function?
A rule/ relation that states that every input has exactly one unique output
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
Identify the independent and Dependent Variables
On a school field trip there is 1 chaperone for every 10 students
Independent: number of students
Dependent: Chaperones
300
Based on the graph of the relation, what is y when x = 8?
y = 3, y = -3
400
I am a function that adds 5 to any number you give me. What function am I?
y=x+5
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
Label the Independent and dependent variable.
A veterinarian must weigh an animal before determining the amount of medication.
Independent: Weight
Dependent: Amount of medication
400
Assuming a scale of 1, what is the rate of change for the increasing portion of the graph?
rise/run = 8/3
500
I am a function where if you input 5, the output is 15, and if you input 7, the output is 21. What is my rule?
y=3x
500
Which relation is NOT a function?
a.) (1,-5), (3,1), (-5,4), (-1,-2)
b.) (2,7), (3,7), (4,7), (5,8)
c.) (1,-5), (-1,6), (1,5), (6,-3)
d.) (3,-2), (5,-6), (7,7), (8,8)
C
1 can't have an output of -5 and 5
500
If y = 8 what is x if y = 2x + 4
x = 2
500
Identify the independent and dependent variable
A group of friends buys tickets for $12 each. How would you label the axes of a graph showing the total cost based on the number of tickets bought?
Independent: Number of Tickets
Dependent: Total Cost (dollars)
500
What does the slope of a distance vs. time graph represent?
The speed of the object.