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Thread: Graphing Problem

  1. #1
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    Graphing Problem

    Hi,
    Can someone have a look at the attachment and explain to me the bottom 3 lines of the table as I cant see where these figures come from.Also how can I draw a graph from these figure,by hand not excel etc.

    Thanks....Mark
    Attached Thumbnails Attached Thumbnails Graphing Problem-22-01-2010-11-29-00_0040.jpg  
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by manich44 View Post
    Hi,
    Can someone have a look at the attachment and explain to me the bottom 3 lines of the table as I cant see where these figures come from.Also how can I draw a graph from these figure,by hand not excel etc.

    Thanks....Mark
    Hi manich44,

    It looks to me like this is a table for your graph in your ealier post.

    $\displaystyle f(h)=h^3+87.48h-305.73$

    The first row of your table looks like arbitrary values for h.

    The second row is the value of $\displaystyle h^3$

    The third row is the value of $\displaystyle 87.48h$

    The fourth row is the value of the constant 305.73.

    The fifth row is the value of f(h) when you substitute values from row one into
    $\displaystyle f(h)=h^3+87.48h-305.73$.

    To graph manually, plot the domain coordinate from the first row along with its corresponding range coordinate from the fifth row.

    You'll have to use a graphing calculator or the Cubic Formula to find the zero which I already told you in the other post.
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