How to determine if the derivative exist from the left and right of a absolute value

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I was that student that sat in the back of the classroom bored out of mind, frustrated & not understanding what the teacher was saying. I struggled learning math but in the pursuit to earn my degree, I learned a lot of what it takes to not only absorb the material, but be successful in class. This channel is all about sharing those experiences with you to get you on your path to success. I teach math from the perspective of the struggling student because that was me & it could be you, too. My videos are short, to-the-point and cover everything from Algebra 1 through Calculus. I have a ton of content to share with you & hope you find them useful in whatever class you are taking!