Find the absolute extrema of the function on the interval

Reference no: EM13203120

1.find the critical number of f(X)=sin2x+cos2x

2.find the absolute extrema of the function on the interval,if there are any, and determine the values at which the absolute extrema occur

a.f(x)={ |x+1| if x is not equal to -1

3 if x =-1 ;[-2,1]

Reference no: EM13203120

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