Mathematics, 17.12.2020 08:20 martymangaroo

The height of a soft ball that is thrown 4 feet from the ground can be approximated by the function $y = - 7x {}^{2} { + 20x + 4}$
where y is the height of the soft ball in feet x seconds after it is thrown. graph this function. find the time it takes the soft ball to reach its maximum height, the soft balls maximum height, and the time it takes the soft ball to return to the ground

please help asap !!

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