Re: Calculus doesn't apply to the unchanging curve

On Sat, 21 Jun 2008 17:04:08 -0700 (PDT), BURT <macromitch@xxxxxxxxx>
wrote:

On Jun 21, 3:58 pm, Virgil <Vir...@xxxxxxxxx> wrote:

There are changing slopes when changing tangent lines to a circle, and
while such lines have slopes, circles don't.- Hide quoted text -

- Show quoted text -

Thankyou Virgil. Well put.

Mitch Raemsch

Not! The slope of a curve at a point a is *defined* as f'(a),
presuming it exists. Circles and other curves have slopes except at
points where the tangent line is vertical.

--Lynn
.

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