On Mon, 7 Apr 2008, [Mr.] Lynn Kurtz wrote:
> >"Barry Schwarz" <schwarzb@[EMAIL PROTECTED]
> wrote in message
> >
> >> The total time is obviously the sum of the two times above. What is
> >> the standard method for determining where a function has a local
> >> minimum?
>
> Additionally, don't forget the variable x lies on the closed interval
> [0,150], leaving the possibilities that the lifeguard swim directly to
> the swimmer or run to the closest point on the beach to the swimmer
> before swimming. Depending on the relative rates and distances, either
> end point might be where the minimum time happens. Check them.
>
Life guard decided to run to -50 to avoid stingray seen near his tower.
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