anonymous
  • anonymous
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)?
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
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.
anonymous
  • anonymous
so you want to look at intervals of size 1/3 in your case
anonymous
  • anonymous
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

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anonymous
  • anonymous
no it is discrete line segments, there isn't a nice equation typically for the floor function, we just use floor(x)
anonymous
  • anonymous
oh okay...thanks
anonymous
  • anonymous
your welcome

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