SOLUTION: What is the value of the derivative of |x-1|+|x-3| at x=2 is: a)-2 b)0 c)2 d)not defined

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Question 976797: What is the value of the derivative of |x-1|+|x-3| at x=2 is:
a)-2
b)0
c)2
d)not defined
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!


if x=2, we have



%28d%2Fdx%29%28abs%28x-1%29%2Babs%28x-3%29%29+=+-1%2F1%2B1%2F1
%28d%2Fdx%29%28abs%28x-1%29%2Babs%28x-3%29%29+=+-1%2B1
%28d%2Fdx%29%28abs%28x-1%29%2Babs%28x-3%29%29+=+0
so, your answer is b)0