Mathematics, 10.02.2021 23:20, hrcatena

Harrison plays a game in which he uses a net to catch balls that are randomly launched from holes in the ground. The height of one ball after t seconds is represented by the function f(t) = –16t2 + 20t. After how many seconds does the ball return to the ground? Round to the hundredths place as needed.

secondsWhich functions have real zeros at 1 and 4? Check all that apply.

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