Calculate the minimum of P(adsbygoogle = window.adsbygoogle || []).push({}); _{T}= 16.8e^{0.0697t}+ 204e^{-0.356t}

P_{T}' = 0.0697 x 16.8e^{0.0697t}+ -.356 x 204e^{-0.356t}

Stationary points occur when P_{T}'=0. Therefore:

0=0.0697 x 16.8e^{0.0697t}+ -.356 x 204e^{-0.356t}

My final answer was that t = 4.29. However, the Graphics Calculator begs to differ and says that it is 5.695.

Attached is my working; where have I gone wrong?

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# Homework Help: Finding the minimum

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