This week we learned the chain rule. I was gone that day so it was a little tricky. I had looked at it the night before to do the book assignment and I learned how to do it, but I didn't really understand it. I didn't get when and why we had to use it. But I eventual figured it all out though. Another little thing that bothers me is I still don't understand the dx/dy thing. It doesn't really matter and I can still do it all, but its just annoying. And we just keep using it more and more for d/dx and du and all these other things I'm probably mis-quoting. Its just do much simpler to do y' or f'(x). Anyways, we also did more derivatives practice and stuff. We did more practice with trig derivatives. I don't know what else to write about. usually I bs stuff and just talk a lot extra about stuff but I really don't want to right now.
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January 2018
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