Concept 21
Identifying Functions
Concept 21: Identifying Functions
Level 4 Example
Level 3 Example
Level 2 Example
Identify the domain and range.
Is the following relation a function?
Is the following relation a function?
Is the following relation a function?
(C) Level 2
1. INTRODUCTION: Take Notes & Basic Practice
Mr. Sieling’s Video
Alternate Video
From Other Source
Videos are on
Mr. Sieling’s Website
Videos are on
Mr. Sieling’s Website
2. PRACTICE ACTIVITIES: (Complete at least 2)
IXL Practice
Worksheet
Q4 (Alg1)
At least to 95
Score = __________
Level 2: Identifying Functions
Activity
Create
Write a movie review of the YouTube Video
“meat-a-morphsis” and include why it
represents a function. (link on my webpage)
An explanation of what a function is.
Provide at least 2 examples of a function
Provide 1 example of a non-function
3. QUIZ (Level 2)
Schoology Quiz: Level 2 – Identifying Functions
3. REMEDIATION
Correct Mistakes on Quiz and Do Another Practice Activity
Pre-Quiz Score = _____/5
Score 5 = Level 4
Score 3,4 = Level 3
Score 0,1,2 = Level 2
Level 2
Quiz Score:
START DATE:
(materials are available)
Assessment Date:
(date of 1
st
assessment on this concept)
DUE DATE:
(To stay on pace: should be done by now)
DEADLINE:
(on THE LIST if note completed)
Concept 21
Identifying Functions
(B) Level 3
1. INTRODUCTION: Take Notes & Basic Practice
Mr. Sieling’s Video
Alternate Video
From Other Source
Videos are on
Mr. Sieling’s Website
Videos are on
Mr. Sieling’s Website
2. PRACTICE ACTIVITIES: (Complete at least 2)
IXL Practice
Worksheet
Q5 (Alg1)
All the way to 100
Score = __________
Level 3: Identifying Functions
Activity
Create
Function Sort Activity
An explanation of how to use the vertical
line test, include an example of a function,
and a non-example of a function
3. QUIZ (Level 3)
Schoology Quiz: Level 3 – Identifying Functions
4. REMEDIATION
Correct Mistakes on Quiz and Do Another Practice Activity
Mr. Sieling’s Signature
(A) Level 4
1. INTRODUCTION: Take Notes & Basic Practice
Mr. Sieling’s Video
Alternate Video
From Other Source
Videos are on
Mr. Sieling’s Website
Videos are on
Mr. Sieling’s Website
2. PRACTICE ACTIVITIES: (Complete at least 2)
IXL Practice
Worksheet
Q2, Q3 (Alg1)
At least to 90
Score = __________
Level 4: Identifying Functions
Activity
Create
Independent &
Dependent Variable
Sorting Activity
An explanation of domain and range
3. QUIZ (Level 2)
Schoology Quiz: Level 4 – Identifying Functions
4. REMEDIATION
Correct Mistakes on Quiz and Do Another Practice Activity
Level 3
Quiz Score:
Level 4
Quiz Score:
Concept 21
Identifying Functions
Notes Level 2:
Goals:
Define a function
Identify a function from a table, list of coordinate points, or a diamgram
Notes:
Big Ideas Examples/Details
Concept # ________
Concept 21
Identifying Functions
Level 2 Practice:
For each diagram, list the domain and range, and state whether or not it is a function.
`
DOMAIN:
RANGE:
FUNCTION
Yes/No
DOMAIN:
RANGE:
FUNCTION
Yes/No
DOMAIN: RANGE: FUNCTION
Yes/No
DOMAIN: RANGE: FUNCTION
Yes/No
DOMAIN: RANGE: FUNCTION
Yes/No
DOMAIN: RANGE: FUNCTION
Yes/No
Concept 21
Identifying Functions
Worksheet Level 2:
Goals:
Define a function
Identify a function from a table, list of coordinate points, or a diagram
Practice #1
A. Which tables below represent functions. Explain your answers.
Table 1:
Table 2:
Table 3:
Table 4:
Practice #2
Functions:
DOMAIN: the input of a function RANGE: the output of a function
For a relationship to be a function there must be output for each input.
For each table below:
i. does the table represent a function?
ii. what is the domain?
iii. what is the range?
Concept # ________
Concept 21
Identifying Functions
Practice #3
Practice #4
Practice #5
This table converts standard time to military time.
a. Does this represent a function?
b. Describe the domain.
c. Describe the range.
Concept 21
Identifying Functions
Notes Level 3:
Goals:
Use the Vertical Line Test to Identify functions from a graph
Identify functions from tables and diagrams.
Notes:
Big Ideas Examples/Details
Vertical Line Test:
Concept # ________
Concept 21
Identifying Functions
Level 3 Practice:
For each scenario, tell whether the relation represents a function.
Input Output FUNCTION Explain
(Yes/No)
City Zip Code
Last Name First Name
Person Birthday
State Capital
Practice #2
State whether each graph represents a function or not.
Functions Not Functions
Concept 21
Identifying Functions
Worksheet Level 3:
Goals:
Use the Vertical Line Test to Identify functions from a graph
Identify functions from tables and diagrams.
Practice #1
State whether each graph represents a function or not.
Explain how you know if a graph is a function or not:
Concept # ________
Concept 21
Identifying Functions
Concept 21
Identifying Functions
Function Not a Function
Concept 21
Identifying Functions
Card Sort Activity
1. Cut out the cards below.
2. Create a poster divided into 2 sections. FUNCTION & NOT A FUNCTION
3. Paste each card into the appropriate section
{-1, 5), (2, 5), (3, 5) (8, 5)}
x
x
x
y
y
y
y
Concept 21
Identifying Functions
Notes Level 4:
Goals:
Identify functions from a graph, table, or diagram.
Identify domain and range.
Identify independent variable and dependent variable.
Notes:
Big Ideas Examples/Details
Concept # ________
Concept 21
Identifying Functions
Basic Practice:
The graph of the function y=f(x) below shows the temperature y
outside at different times x over a 24-hour period.
i. Find the following:
Independent Variable =
Dependent Variable =
ii. Describe the following:
Domain:
Range:
Concept 21
Identifying Functions
Worksheet Level 4:
Goals:
Identify functions from a graph, table, or diagram.
Identify domain and range.
Identify independent variable and dependent variable.
Practice #1
For each table or graph below, determine if it is a function or not. Identify the DOMAIN & RANGE.
Concept # ________
Concept 21
Identifying Functions
Identify the dependent and independent variable.
Concept 21
Identifying Functions
Independent vs Dependent Variable Card Sort
1. Cut out each of the cards below.
2. Sort the cards into pairs that go together.
Example: The “amount of strawberries you pick” goes with “the number of jars you will be able to fill with jam”
3. Create a poster with two sections “Independent Variable” and “Dependent Variable”
4. Paste the cards in pairs across from each other in the correct section.
