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anonymous

  • 5 years ago

how do you sketch a graph of a step function (floor function) without using a table? Is there a standard equation like there is for a parabola? For example y=floor(3x+2)?

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  1. anonymous
    • 5 years ago
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    floor is the largest integer not greater than its argument, and in your case (3x+2). You look at intervals of x values that will have the same value of floor(3x+2) and then plot each step.

  2. anonymous
    • 5 years ago
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    so you want to look at intervals of size 1/3 in your case

  3. anonymous
    • 5 years ago
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    so there isn't a standard equation that could help you sketch it without a table? like a parabola where it's y=+or-a(x-h)^2+k

  4. anonymous
    • 5 years ago
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    no it is discrete line segments, there isn't a nice equation typically for the floor function, we just use floor(x)

  5. anonymous
    • 5 years ago
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    oh okay...thanks

  6. anonymous
    • 5 years ago
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    your welcome

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