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Mathematics 14 Online
OpenStudy (anonymous):

Find the derivative of lx-3l

OpenStudy (bahrom7893):

well the derivative doesn't exist at a cusp

OpenStudy (bahrom7893):

which an absolute value would give.

OpenStudy (anonymous):

So there would be a derivative of 1 for x>3 amd derivative of -1 for x<3 but no derivative at x=3?

OpenStudy (bahrom7893):

correct-o!

OpenStudy (bahrom7893):

wait no

OpenStudy (bahrom7893):

oh you're right, sorry lol

OpenStudy (anonymous):

Yay, thanks!

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