February 20, 2017

Homework Help: calculus -- PLEASE HELP!

Posted by anonymous on Tuesday, February 26, 2008 at 6:40pm.

1. There is a wall that does not need fencing [at x=0]. The curve that also does not need fencing is y=x^2/9. The fence is four units long and extends from the y axis horizontally some distance and then drops down to the curve. Find the lengths of the horizontal and vertical parts of the fence to maximize the area. [Let the height that the fence starts on the y axis be designated as h. Now find the area in terms of h and other variables. Then get rid of h.

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