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DanielAcedo

If I graph the polynomial function y=-x^3+4x should the points I get be: x| -3 | -2 | -1 | 0 | 1 | 2 y| 15 | 0 | -3 | 0 | 5 | 16 or am I wrong?

  • one year ago
  • one year ago

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  1. blahblah_who_cares
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    Did you plug them into the equation?

    • one year ago
  2. DanielAcedo
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    I did

    • one year ago
  3. blahblah_who_cares
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    hmm.. Could you show me how you did it so i can correct your mistake.

    • one year ago
  4. DanielAcedo
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    I used a graphing calculator and plugged in for x

    • one year ago
  5. blahblah_who_cares
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    Dont trust a graphing calculator because it only does what you tell it to do. It does not correct your mistakes. For (-3, 15). if you plug in your x's in real life u will notice that it equals -21

    • one year ago
  6. DanielAcedo
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    Ok, I shall do it on paper.

    • one year ago
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