There is a definite "now", but (strangely) it takes an unusually abstract line of thought to justify what we know intuitively. Just like we know that there's some point in a circle where the tangent line is flat...
This is what I have most trouble wrapping my head around. Can you explain the last part?
Okay: the tangent line is a line whose slope is equal to the slope of a function at a certain point. Think of an eight foot long 2 X 4 placed on or under a specific part of a small Ferris wheel or huge Hula hoop. Something like this:
(Source.)
AC would be the "2 x 4". It's the tangent.
Intuitively, we know that there are two places where the "2 x 4" would be horizontal: i.e., have a slope of zero. Flat. :)
But it is hard to justify because the circle has no edges.
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Hi! I hate to spam you but I guess it can't hurt to ask. Would you be willing to resteem this post?
A Christmas Gift from steemit
We really want to reach a wide audience and get lots of people promoting steem on their social media, using charity to influence people to like/share. We used the @steempowertwins video as an example of the kind of videos we hope will result from the challenge.
Either way thank you for your upvote 😊
https://twitter.com/3Beanzz/status/807310457673490438
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