Saturday, October 06, 2007

[Math4u] Re: Maxima & Minima

--- In Math4u@yahoogroups.com, "Brian Edward Jensen"
<brianejensen@...> wrote:
>
> Ray,
> The function F(x)=x is a line having a slope of 1. This line goes on
> in both directions forever. If there were ends to the line, the max
> and min would be at the ends. But this line has no maximum or
> minimum.
Wrong again. F(x) = x reaches a maximun when x = infinity, and a
minimum when x = minus infinity, by definition.

By your logic, f(x) = x² would have no minima, and f(x) = -x² would
have no maxima.
________________________________________
KrazyKyngeKorny(Krazy, not stupid)
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯



Yahoo! Groups Links

<*> To visit your group on the web, go to:

http://groups.yahoo.com/group/Math4u/

<*> Your email settings:
Individual Email | Traditional

<*> To change settings online go to:

http://groups.yahoo.com/group/Math4u/join

(Yahoo! ID required)

<*> To change settings via email:
mailto:Math4u-digest@yahoogroups.com
mailto:Math4u-fullfeatured@yahoogroups.com

<*> To unsubscribe from this group, send an email to:
Math4u-unsubscribe@yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:

http://docs.yahoo.com/info/terms/

No comments: