Function Notation
Evaluating Function Rules
Input & Output
Function Graphs
Thanksgiving Numbers
100
Function C defines the number of people at the candy store after h hours of opening at 12PM.
Use function notation to write the following sentence:
There were 3 people at the candy store at 1PM.
C(1)=3
100
Evaluate f(2) if f(x)=-3x
f(2) = -6
100
Identify the output variable (y) for the function below:
Gallons of gas put in tank vs. Amount of $ forGas
Ouput (y) : Amount of $ for Gas
100
The function D gives the distance of a person over time. What is D(6)?
D(6) = 8
100
What day is Thanksgiving each year (be specific)?
The 4th Thursday of November
200
Function C defines the number of people at the candy store after h hours of opening at 12PM.
Use function notation to write the following sentence:
There were 10 people at the candy store at 6PM.
C(6)=10
200
Evaluate f(7) if f(x)= -(4x+2)
f(7) = -30
200
Identify the input (x): The relationship between the number of hours worked and the amount of money earned.
The number of hours worked.
200
Function H gives the distance a person is from home after t minutes. What is H(3)?
H(3)=60
200
What is the average weight of a turkey in an American household?
15 pounds
300
Function C defines the number of people at the candy store after h hours of opening at 12PM.
Use function notation to write the following sentence:
There were 7 people at the candy store at 4:30PM.
C(4.5)=7
300
Evaluate f(-6) if f(x)=x^2 - 9
f(-6) = 27
300
Identify the Output (y) variable: The relationship between your allowance and the number of chores you do.
Your allowance.
300
Function H gives the distance a person is from home after t minutes. Is H(2) or H(6) bigger?
They are the same.
300
How fast can a wild turkey run?
20 miles/hr
400
Function C defines the number of people at the candy store after h hours of opening at 12PM.
Write a sentence for the function notation below.
C(1.5)=4
At 1:30PM, there were 4 people at the candy store.
400
Evaluate f(x)=13 if f(x)=25 - 4x
x = 3
400
Identify the input (x) and output variables (y): You are buying boxes of cookies at a bakery. Each box of cookies costs $4.
Input: The number boxes of cookies purchased. Output: How much you spend at the bakery.
400
The function D gives the distance of a person over time. Is D(16) or D(12) larger?
D(12)
400
What percentage of Americans have turkey as their main dish on Thanksgiving?
86%
500
Function C defines the number of people at the candy store after h hours of opening at 12PM.
Write a sentence for the function notation below.
C(5.25)=12
At 5:15PM, there were 12 people at the candy store.
500
Evaluate f(x)=42 if f(x)=3x+15
x = 9
500
Identify the input (x) and output (y) variables: On your math quiz, you earn 5 points for each question that you answer correctly.
Input Variable: Number of questions answered correctly. Ouput Variable: Score on the quiz.
500
What value of t does R(t)=D(t)?
t=4.25
500
Approximately how many million of turkeys are ate on Thanksgiving day in America?
46 million