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Math Help - Graph of y=x^(5/2) and -2x^(1/2)

  1. #1
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    Graph of y=x^(5/2) and -2x^(1/2)

    Any procedure or guidelines on how to sketch the graph y=x^(5/2) and -2x^(1/2)? I know how it looks like but i had no ideas on the proper procedure of drawing them. Any tips? Thanks.

    Sorry, its y=x^(1/3) and not y=x^(5/2)... ^^
    Last edited by MichaelLight; February 9th 2011 at 05:34 PM.
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  2. #2
    Member rtblue's Avatar
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    Try an xy table. Choose values for x, calculate the corresponding y values, and plot the points. You should be able to sketch the graph reasonably.
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  3. #3
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    Quote Originally Posted by MichaelLight View Post
    Any procedure or guidelines on how to sketch the graph y=x^(5/2) and -2x^(1/2)? I know how it looks like but i had no ideas on the proper procedure of drawing them. Any tips? Thanks.

    Sorry, its y=x^(1/3) and not y=x^(5/2)... ^^
    f(x)=x^{\frac{1}{3}} is the inverse function of y=x^3

    Sketch y=x^3.

    What is the relationship between the graph of y=f(x) and y=f^{-1}(x)?
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