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The table below shows the number of students at Wadesville High School with cell phones, y, over x years. Write an exponenti?

he table below shows the number of students at Wadesville High School with cell phones, y, over x years. Write an exponential equation that best models this data using your calculator.

Year 2000 2001 2002 2003 2004 2005 2006

Cell Users 146 183 228 285 356 446 557

2 Answers

Relevance
  • 6 years ago

    Clear lists (2nd Mem 4 on a TI-84)

    Put the years in L1 (Stat edit) BUT: do not enter 2000, 2001, 2002, etc because they're too big. Instead enter 0, 1, 2, 3, 4, 5, 6 and call it years after 2000

    Put the users in L2

    Quit

    Go to Stat scroll right to calc then down to 0ExpReg and hit enter twice

    YOu should get something like y = 146 • 1.25^x

  • The Me
    Lv 6
    6 years ago

    Put the years into L1

    Put the number into L2

    Go to Stats, Calc, Linreq, hit enter

    y=67.39x-134673.46

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