Solve the Problem. -A Projectile Is Thrown Upward So That Its Distance Above

question 267

Multiple Choice

Solve the problem.
-A projectile is thrown upward so that its distance above the ground after t seconds is h = -11t2 + 286t. After how many seconds does it reach its maximum height?

• A) 19.5 s
• B) 13 s
• C) 26 s
• D) 6 s

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