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29 July, 02:38

An arch has the equation y=-2/81x^2+18. Find it's maximum height

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  1. 29 July, 02:42
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    at y = 18 units

    Step-by-step explanation:

    An arch has the equation y=-2/81x^2+18. Find it's maximum height

    This is a parabolic function

    Maximum at the vertex

    x = - 0 / (2 * (2/81)) = 0

    max at y = 18 units
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