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1. Determine the absolute value maximum and minimum values of f(x)=(sinx)/(2+cosx) on interval (0,2pie) and the x values where they occur.
2. Determine the absolute value maximum and minimum values of f(x)=x-2sinx on interval (0,2pie) and the x values where they occur.
3. Find the critical numbers of f(x)=x^(1/3)-x^(1/5), and determine the absolute max and min values of f on the interval (0,2) and where they occur. (One of the critical numbers is pretty messy).
use the closed interval method to find the absolute extrema for f(x)= x+cosx on [0,2pi]
please help!
