Question

8. A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder, h, in feet after t seconds is given by the function h = –16t² + 148t + 30. What is the boulder’s maximum height? How long does it take the boulder to reach its maximum height? Round to the nearest hundredth, if necessary. (1 point)

Reaches a maximum height of 30 feet after 9.25 seconds.
Reaches a maximum height of 640.5 feet after 4.63 seconds.
Reaches a maximum height of 1,056.75 feet after 4.63 seconds.
Reaches a maximum height of 372.25 feet after 4.63 seconds.

Answer 1

The right answer for the question that is being asked and shown above is that: "Reaches a maximum height of 640.5 feet after 4.63 seconds." The boulder’s maximum height and the time it take the boulder to reach its maximum height is that Reaches a maximum height of 640.5 feet after 4.63 seconds.