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21 May, 21:52

The height of a soccer ball is kicked from the ground can be approximately by the function.

y = - 16x^2 + 32x

where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes to reach soccer ball to reach its maximum height in seconds

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  1. 21 May, 22:18
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    1 second

    Step-by-step explanation:

    y = - 16x² + 32x

    y = - 16 (x² - 2x)

    y = - 16 (x² - 2 (x) (1) + 1² - 1²)

    y = - 16 (x - 1) ² + 16

    Max height is when (x-1) = 0

    So x = 1
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