Algebra Ch 44: Functions (8 of 8) Special Example #2: Slope

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We will find the special example #2 of slope=? (general equation for any x) for any equation y=f(x).

First video in this series can be seen at:

[aram]

And Isaac Newton figured it all out during an epidemic lockdown in 1665/66, just because he needed derivatives and integrals for some other calculations

[foxhound]

very nice derivation of the difference - quotient definition of the derivative.