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Find the stationary points, maxima and minima

f(x)=|x+1|+|x-1| , -3<=x<=2
asked in Calculus | 112 views
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[-1,+1] stationary point & -3 point of maxima
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pls give the solution
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...Graph

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I think stationary point is where dy/dx=0

So, I said [-1,1].

Correct me if I am wrong

+1 vote

graph will be like

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thanks. but i've one doubt. in the interval -1<=x<=1 why is f2 negative?
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since f2 is positive when x>1 And in between -1<=x<=1  it is not the case

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+1 vote
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