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Laabri

AlgI 3.1a: Functions

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Last updated about 2 years ago
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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

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Graphing? Function or Not?
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Intro: Domain and Range
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Exit Ticket
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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

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1.

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

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2.

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

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3.

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?

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4.

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.

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5.

Is the relation a function?

(Enter "Yes" or "No" into the box. Show explanation on the screen.)

1.

2.

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6.

Determine whether each relation is a function. Explain.

(Enter "Yes" or "No" into the box. Show explanation on the screen.)

3.

4.

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7.

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

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8.

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

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9.

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

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10.

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

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11.

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

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12.

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

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13.

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

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14.
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23.

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

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24.

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

  • Output value

  • X-value

  • Y-value

  • Input value

  • Independent variable

  • Domain

  • Range

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25.

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

Is the following table a function?

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26.

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

Domain:

Range:

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15.

State the domain and range.

Domain:

Range:

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16.

State the domain and range.

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17.

State the domain and range.

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18.

State the domain and range.

Domain:

Range:

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19.

State the domain and range.

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20.

State the domain and range.

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21.

State the domain and range.

Domain:

Range:

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22.

State the domain and range.