A Model Rocket Is Launched from a Raised Platform at a Speed

question 25

Multiple Choice

A model rocket is launched from a raised platform at a speed of 112 feet per second. Its height in feet is given by $h ( t ) = - 16 t ^ { 2 } + 112 t + 20$ (t = seconds after launch) What is the maximum height reached by the rocket?

• A) 216 feet
• B) 432 feet
• C) 108 feet
• D) 236 feet

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