A projectile that was launched straight up from the ground with an initial velocity of 48 ft/s returned to the ground after 3 s.

Question

4 years ago

5

A projectile that was launched straight up from the ground with an initial velocity of 48 ft/s returned to the ground after 3 s.

The height of the projectile t seconds after launch is modeled by the function f(t)=−16t2+48t . What is the maximum height of the projectile, in feet? Enter your answer in the box.

Mathematics

2 answers:

azamat · Answer 1 · 2021-12-28T23:54:59+03:00

azamat4 years ago

5 0

h(t) = -16t^2 + 128t since this equation is quadratic, it's maximum must occur at its VERTEX!!

zalisa [80] · Answer 2 · 2021-12-29T01:16:23+03:00

zalisa [80]4 years ago

3 0

I got 24 feet. Could be right or wrong, idk