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anonymous

  • one year ago

F (×)=(1/2•[x] D:{x|xeR;-1 <X <3} DOES ANYONE KNOW HOW TO DO THIS

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  1. zzr0ck3r
    • one year ago
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    what is the question?

  2. anonymous
    • one year ago
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    It says draw the graph of the step function for the following domain be sure to label number both axis

  3. anonymous
    • one year ago
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    I just need to know how to do it step by step plz

  4. zzr0ck3r
    • one year ago
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    What do you get for \(x=1\)?

  5. zzr0ck3r
    • one year ago
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    Should that be \(f(x) = (\frac{1}{2})\lceil x \rceil\)?

  6. anonymous
    • one year ago
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    Yes that's what's on there

  7. zzr0ck3r
    • one year ago
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    So what this say, is take a number, find the next biggest integer and cut that in half Example f(2)=1 f(1/2) = 1/2 f(1.2) = 1

  8. anonymous
    • one year ago
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    Right but I don't know how to graph ot

  9. anonymous
    • one year ago
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    It

  10. zzr0ck3r
    • one year ago
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    what will any number between 0 and 1 evaluate to?

  11. anonymous
    • one year ago
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    0

  12. zzr0ck3r
    • one year ago
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    take any integer between -1 and 0, the next biggest integer is 0, cut that in half to get 0 take any number between 0 and 1, the next biggest integer is 1, cut that in half and you get 1/2 take any number between 1 and 2, the next biggest integer is 2, cut that in half to get 1. Take any number between 2 and 3, the next biggest integer is 3, cut that in half and get 1.5

  13. anonymous
    • one year ago
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    Thanks

  14. zzr0ck3r
    • one year ago
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    also, now that you understand how this works. http://www.wolframalpha.com/input/?i=%281%2F2%29ceileng%28x%29

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spraguer (Moderator)
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