real-life step function

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So if I wanted to do a step-function graph for gas prices, how would that work? I'm a little confused. Could someone give me examples please? That would be so helpful (: Thanks!

  • real-life step function -

    if you knew that gas went up 2 cents every week, you might use something like

    p = 3.299 + 2⌊x⌋

    where x is the number of weeks
    and p is the price, which started at 3.299

    To see some examples, you can go to

    wolframalpha.com

    and enter

    plot 3.299 + 2⌊x⌋

    you can play around with various numbers and see what happens

    you can also use int(x) for ⌊x⌋

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