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    YORKMANZ's Avatar
    YORKMANZ Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Apr 4, 2019, 07:37 PM
    Interpreting Graphs
    A liquid is heated in lab using hot plate the graph temperature vs time is shown below


    https://imgur.com/c6ehBn5


    Answer using letter A, B, C, D FROM THE ABOVE GRAPH


    1) WHERE IS THE RATE OF CHANGE ZERO?

    2) WHERE IS THE RATE OF CHANGE CHANGING?

    3) WHERE IS THE RATE OF CHANGE POSITIVE?

    4) WHERE IS THE RATE OF CHANGE GREATEST?

    5) CALCULATE RATE OF CHANGE FOR SECTION A, INCLUDING UNITS?



    MY ANSWER FOR

    1) C

    2) B

    3) A

    4) D

    5) NOT SURE HOW TO SOLVE


    PLEASE CHECK MY ANSWERS AND HELP ME


    THANKS
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    Apr 5, 2019, 01:34 PM
    I think 4 is incorrect. Rate of change it rise over time. Look at the curve and slope.
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