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Math Help - discrete/continuous relationship

  1. #1
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    discrete/continuous relationship

    When talking about relationships between numbers what does it mean to be discrete and what does it mean to be continuous?(when talking of quadratic, linear and exponential functions)

    I need to know which of these are discrete and which are continuous between

    1/n=1,2,3,4,5 and 1,4,9,16,25,36( i think it is quadratic, but is it discrete of continuous?)

    2/ between n=2,3,4,5,6 and 6,9,12,15,18(i think it is linear because it is constantly going up by 3- which is continuous?)

    3/ between n=1,2,3,4,5,6 and 3,9,18,30,45,63(i think it is quadratic, continuous or discrete?)

    all numbers of n correspond respectively to the other set of numbers
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  2. #2
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    Quote Originally Posted by william View Post
    When talking about relationships between numbers what does it mean to be discrete and what does it mean to be continuous?(when talking of quadratic, linear and exponential functions)

    I need to know which of these are discrete and which are continuous between

    1/n=1,2,3,4,5 and 1,4,9,16,25,36( i think it is quadratic, but is it discrete of continuous?)

    2/ between n=2,3,4,5,6 and 6,9,12,15,18(i think it is linear because it is constantly going up by 3- which is continuous?)

    3/ between n=1,2,3,4,5,6 and 3,9,18,30,45,63(i think it is quadratic, continuous or discrete?)

    all numbers of n correspond respectively to the other set of numbers
    In this context continuous would mean defined on a interval in \mathbb{R} or discrete would mean defined on a discrete set such as a finite list of points. So all of your examples are discrete.

    .
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