Question 635204
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
h(x) = -4.9t2 + 34.3t - 49   || Note: {{{34.3/(2*4.9) = 3.5}}}
h(x)= -4.9(x-3.5)^2 + 60.025 - 49
{{{h(x)= -4.9(x-3.5)^2 + 11.025}}}    V(3.5,11.025)
 Takes 3.5 sec to reach maximum height 0f 11.025m