Solve the Problem
-A Rock Is Propelled Upward from the Top

question 191

Multiple Choice

Solve the problem
-A rock is propelled upward from the top of a building 180 feet tall at an initial velocity of 56 feet per second. The function that describes the height of the rocket in terms of time $t$ is $\mathrm { s } ( \mathrm { t } ) = - 16 \mathrm { t } ^ { 2 } + 56 t + 180$ . Determine the maximum height that the rock reaches.

• A) \(212 \mathrm { ft }\)
• B) \(246 \mathrm { ft }\)
• C) \(191 \mathrm { ft }\)
• D) \(229 \mathrm { ft }\)