Problema Solution
If a ball is dropped from the top of a 256-ft building, then the formula
h(t)= 256-16t^2expresses its height h(t) in feet as a function of the time t in seconds.
a. Find h(2), the height of the ball 2 seconds after it is dropped.
b. Find h(4)
Answer provided by our tutors
a. for t = 2 seconds
h(2) = 256 - 16*2^2 = 192 ft
b. for t = 4 seconds
h(4) = 256 - 16*4^2 = 0 ft