Vector-Valued Function

**Esc** · May 9th 2008, 10:57 PM

Ok, last one for tonight, i can't believe i am stuck on this one:

Find the maximum height above the

-plane of a point on

So i get the answer to be $zmax=2$ and the point to be $(0, 0, 2)$ but this answer is wrong, i know it is .something that is simple that i cannot figure out.

Thanks for your time!!

**mr fantastic** · May 9th 2008, 11:15 PM

Originally Posted by Esc

Ok, last one for tonight, i can't believe i am stuck on this one:

Find the maximum height above the

-plane of a point on

So i get the answer to be $zmax=2$ and the point to be $(0, 0, 2)$ but this answer is wrong, i know it is .something that is simple that i cannot figure out.

Thanks for your time!!

The maximum height occurs when t(2 - t) has it's maximum .......

Hint: The function z = t(2 - t) is a parabola with maximum turning point at (1, 1) ......

**mr fantastic** · May 9th 2008, 11:22 PM

Originally Posted by Esc

Ok, last one for tonight, i can't believe i am stuck on this one:

Find the maximum height above the

-plane of a point on

So i get the answer to be $zmax=2$ and the point to be $(0, 0, 2)$ but this answer is wrong, i know it is .something that is simple that i cannot figure out.

Thanks for your time!!

A thread of more than passing relevance: http://www.mathhelpforum.com/math-he...e-problem.html

**Esc** · May 10th 2008, 05:50 PM

Thank you my good sir.

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