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anonymous

  • 5 years ago

The path traveled by a roller coaster is modeled by the equation y=27sin13x+30. What is the maximum altitude of the roller coaster?

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  1. anonymous
    • 5 years ago
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    have you done calculus, its easy take the derivative = 0

  2. anonymous
    • 5 years ago
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    so 27*cos 13 x * 13 = 0

  3. anonymous
    • 5 years ago
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    so when cos (13x) = 0

  4. anonymous
    • 5 years ago
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    so when x = pi/26 we have a maximum x value, plug it back in

  5. anonymous
    • 5 years ago
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    oh logically its 57 because sin x has a mximum of 1

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