Marianne G.
asked • 01/30/22I need help finding the rate by which this ball reaches its maximum hight
A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by h(t) = −4.9t2 + 24t + 15.
How long does it take to reach maximum height? (Round your answer to three decimal places.)
________ seconds
More
1 Expert Answer
Mark M. answered • 01/30/22
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Determine first derivative, set equal to zero, solve for t.
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Mark M.
Have you done completion of the square and conversion to vertex form?01/30/22