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Math Help - TI-89 Titanium: Drawing the inverse.

  1. #1
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    Cool TI-89 Titanium: Drawing the inverse.

    What do i need to press if i want to draw the inverse of f(x)=x+5x^4 for example?
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by tupac View Post
    What do i need to press if i want to draw the inverse of f(x)=x+5x^4 for example?
    The only thing I can think of at the moment is this: write the equation as parametric equations. Since y=x+5x^4, the inverse would be x=y+5y^4. Now, if we left y=t, then x=t+5t^4.

    You can now plug this into your calculator. Make sure you're in parametric mode!





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  3. #3
    Eater of Worlds
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    I do not know of such a capability. If you find one, let me know.
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