Top network posts
- 48 What are "instantaneous" rates of change, really?
- 43 How is the derivative truly, literally the "best linear approximation" near a point?
- 28 I think I can complete the square of any quadratic, is it true? (Any reason to ever use Quad. Formula?)
- 23 Fewest steps to reach $200$ from $1$ using only $+1$ and $×2$
- 21 Where does the constant increase by 2 of differences between integer square values come from?
- 20 Why do academics frequently write very short email replies?
- 18 Why do all parabolas have an axis of symmetry?
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