Mathematics, 12.10.2019 02:10 Winechou

Aprojectile is shot into the air following the path, h(x) = -3x^2 + 30x + 300. at what time, value of x, will it reach a maximum height?
x = 1
x = 2
x = 4
x = 5

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Aprojectile is shot into the air following the path, h(x) = -3x^2 + 30x + 300. at what time, value o...