Multiple Choices
(Choose 1 answer)
(See picture)
A. 2.5(s)
B. 2(s)
C. 1(s)
D. 1.5(s)
E. None of the other choices is correct
A ball is launched vertically upward such that its height (in meters) after t seconds is given by h(t) = 20t – 5t². Determine the time at which the ball reaches its maximum height.
☐E
