czahand czahand
  • 12-01-2018
  • Mathematics
contestada

Identify the height for the function: f (t) = 5sec(3t − π) + 1

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mohsinwkhan64 mohsinwkhan64
  • 12-01-2018
(t) = 0 gives 
-24t + 60 = 0 
t = 2.5 
For this t, the second derivative s"(t) = -24 is negative. And so, s(t) is maximum for t = 2.5. 
Maximum height is S = -12(2.5)^2 + 60(2.5) +8 = 233ft
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