Finding the maximum area of a rectangle. - Find the maximum area of a rectangle in the first quadrant with one corner at the origin, two sides on the coordinate axes, and one corner on the graph of y=-lnx , y>0
Area of a Rectangle - The length of a rectangle is 2 cm longer than its width. If the perimeter of the rectangle is 36cm, find the area.
Derivative problems - Prob. 2. The area of a rectangle (x,y) is the product xy. The perimeter of a rectangle P is 2x+2y. For a given P, find x and y that gives the largest area of a rectangle (x,y) for given perimeter P. ...