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can someone help me, I need to find the non simplified difference quotieint at 0 of the function

f(x) = -|x|

 

Thanks

 Dec 26, 2016
edited by IronDome  Dec 26, 2016
 #1
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0

can someone help me, I need to find the non simplified difference quotieint at 0 of the function

f(x) = -|x|

 

Maybe I do not understand the question but there is no gradient at x=0.

The curve is not smooth at this point. 

The curve is not differentiable at this point.

 Dec 27, 2016

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