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AlgI 3.1a: Functions

Last updated over 1 year ago
26 questions
Do Now
1

What kinds of things do you think about when you are making a decision?

1

What are some ways that you help others in our classroom?

Today's Lesson
Objectives:
  • Determine whether a relation is a function.
  • Find the domain and range of a function.
  • Distinguish between independent and dependent variables
1
Class Discussion
Tell a neighbor what information is given in the table
Which game sold about a quarter-million units? _______

Which games are played on a PlayStation 4? _______
1
Determine if each of the following relations are functions.

A relation pairs each input with exactly one output is a function.

a. _______
b. _______
c. _______
d. _______
1
Is the relation a function?
(Enter "Yes" or "No" into the box. Show explanation on the screen.)
1. _______
2. _______
1
Determine whether each relation is a function. Explain.
(Enter "Yes" or "No" into the box. Show explanation on the screen.)
3. _______
4. _______
Graphing? Function or Not?
1

A function is a rule that assigns each input exactly one output.

1

Is the following graph a function? (Show your work by using the vertical line test)

1

Is the following graph a function? (Show your work by using the vertical line test)

1

Is the following graph a function? (Show your work by using the vertical line test)

1

Is the graph below a function? Yes or No. Use the Vertical Line Test.

1

Is the graph below a function? Yes or No. Use the Vertical Line Test.

1

Is the graph below a function? Yes or No. Use the Vertical Line Test.

Intro: Domain and Range
1
1
State the domain and range.
Domain: _______
Range: _______
1

State the domain and range.

1

State the domain and range.

1
State the domain and range.

Domain: _______
Range: _______
1

State the domain and range.

1

State the domain and range.

1
State the domain and range.

Domain: _______
Range: _______
1

State the domain and range.

Exit Ticket
5

In order to earn full credit, you must select the correct answer on the FIRST ATTEMPT. 😄

A relation is graphed on the axis.

Based on this graph the relation is

6

In order to earn full credit, you must drag the correct answers on the FIRST ATTEMPT. 😄

Match each draggable item to the correct Domain or Range category box.

  • Dependent variable
  • Independent variable
  • Input value
  • X-value
  • Y-value
  • Output value
  • Domain
  • Range
3

In order to earn full credit, you must select the correct answer on the FIRST ATTEMPT. 😄

Is the following table a function?

6
Identify the domain in the following graph. List the numbers with brackets {}, commas and no spaces.


Domain: _______

Range: _______

Tonight's HW

Chapter 2 Test Corrections

  • look in Formative at your test
  • in your notebook, write corrections for every problem you did not receive full credit