Interpreting the meaning of the derivative in context | AP Calculus AB | Khan Academy

When derivatives are used to describe real-world situations, we need to know how to make sense of them.

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[kevinparsley]

it was a good start, but it would have been a good idea to put it into further perspective of how the expression of units changes as a result of taking subsequent derivatives, and why-what i was actually after when i chose the video. for me, this video was just a movie trailer because it went right up to where that would be explained, and stopped...

[ЯрославГрицунь]

I've understood nothing, thanks.