Derivate solution?

Derivate solution?

Postby Guest » Sat Jul 07, 2018 1:58 pm

If anyone can help me, I appreciate


how to solve this problem? If you can write the solution , ... tks


A bird is foraging for berries. If it stays too long in any one patch it will be spending valuable foraging time looking for the hidden berries, but when it leaves it will have to spend time finding another patch. A model for the net amount of food energy in joules the bird gets if it spends t minutes in a patch is E = 3000 t / (t+4) . Suppose the bird takes 2 min on average to find each new patch, and spends negligible energy doing so. How long should the bird spend in a patch to maximize its average rate of energy gain over the time spent flying to a patch and foraging in it?

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