Are You Having Fun(ction)?
Am I a function?
Slope
Evaluating Expressions
Identifying Independent and Dependent
100
Is (2,5), (3,6), (4, 7) and (-3,6) a function?
YES
100
What is YES! NO input values repeat.
100
What type of slope is this graph?
Negative
100
find f(-3)
f(x)=2x+1
What is -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
200
These 2 words are used to describe the set of all x-values for a function.
What is the input and independent variable?
200
Is this a function and why?
What is no, because x's repeat at 8?
200
What type of slope is between x= 6 and x= 15?
Positive
200
f(x) = 2(x - 3) + 1
Calculate f(5).
f(5) = 5
200
Identify the independent and dependent variables
The battery power remaining on your MP3 player is based on the amount of time you listen to it
Independent: Amount of time you listen
Dependent: Battery remaining
300
Daily double: You can bet up to 600 points on...... These two words is used to describe the set of all y-values of a function.
What is the output and dependent variable?
300
DAILY DOUBLE: Is the following graph a function?
What is YES! It passes the vertical line test (no repeating x-values)
300
What is the slope of the points (1, 2) and (7, 4)?
1/3
300
f(x) = 3x - 7
g(x) = 5x + 1
h(x) = 2x + 9
Calculate g(-2).
g(-2) = -9
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
400
_______ is a function of _________
y is a function of x
400
Is this a function?
What is NO! The x-value has a repeating 1.
400
Which section has the bigger slope?
B
400
Find f(5).
f(x)=x^2+7
What is 32?
400
A veterinarian must weigh an animal before determining the amount of medication.
Label the Independent and dependent variable.
IV: weight
DV: Amount of medication
500
This word describes a relation that pairs each x-value with only one y-value.
What is a function?
500
Is this a function?
What is YES! It passes the vertical line test (no repeating x-values)
500
What is the slope between the points (4, -3) and (-1, 3)?
6/-5
500
A plant is 12 inches tall when it is planted. Each week it grows 3 inches. Write an equation to represent the growth of the plant each week.
What is,
y=3x+12
f(x)=3x+12
500
Label the Independent and dependent variable. AND create a depends on statement
5) Joe has enough money to buy 1, 2, or 3 DVDs at $15.00 each, if he buys any at all.
Independent :DVDs
Dependent: Cost
Cost of DVDS depends number of DVDs bought