Mathematics

8th -

10thgrade

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Interpreting Graphs of Functions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    The graph of the function for the amount of water in gallons, D, in a tank at time, t, is shown. What statement is true?



    The water is draining out because the line is decreasing.

    The water is draining out because the line is increasing.

    The water is filling up because the line is decreasing.

    The water is filling up because the line is increasing.

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    Noah is depositing money in his account every week to save money (shown in the graph). The amount of money in Elena's account is  M=4w+80M=4w+80  , where  ww  is the number of weeks since the account was opened and  MM  is the amount of money saved.


    Who started out with more money in their account?

    Noah because $80 is more than $60.

    Elena because $80 is more than $60.

    Noah because $4 is more than $2

    Elena because $4 is more than $2

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    Noah is depositing money in his account every week to save money (shown in the graph). The amount of money in Elena's account is  M=4w+80M=4w+80  , where  ww  is the number of weeks since the account was opened and  MM  is the amount of money saved.


    Who saved at a faster rate?

    Noah because $80 is more than $60.

    Elena because $80 is more than $60.

    Noah because $5 is more than $4

    Elena because $5 is more than $4

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