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# Please solve the following with trigonometry

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1. Please determine the minimum/maximum of $$y=x+4+\sqrt{5-x^2}$$

Apr 8, 2019
edited by Melody  Apr 8, 2019

#1
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First

You take the first derivative and put it equal to 0

Have you done that?

What did you get?

Apr 8, 2019
#2
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I got f(0)=4+sqrt(5)

yasbib555  Apr 11, 2019