Calculus Applications of Derivatives question?? Find the open intervals where the function is increasing...
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Calculus Applications of Derivatives question?? Find the open intervals where the function is increasing...

[From: ] [author: ] [Date: 11-11-28] [Hit: ]
decreasing (0,increasing (pi,......
Interval: (0, 2π)
a) Find the open intervals on which the function is increasing or decreasing b) apply the 1st derivative test to identify relative extrema

1) f(x) = sixcosx + 5
2) f(x) = (√3)sinx+cosx

Please help... :(

-
1) f(x) = 6cosx + 5
f'(x) = -6sinx = 0 for extrema
x = 0, pi and 2pi
decreasing (0,pi)
increasing (pi,2pi)
1
keywords: open,of,increasing,Calculus,intervals,function,Find,question,is,Derivatives,Applications,where,the,Calculus Applications of Derivatives question?? Find the open intervals where the function is increasing...
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