Find the Length and Width of a Rectangle That Has $l = 242$

Multiple Choice

Find the length and width of a rectangle that has an area of 968 square feet and whose perimeter is a minimum.

A) $l = 242$ feet, $w = 4$ feet
B) $l = 484$ feet, $w = 2$ feet
C) $l = w = 22 \sqrt { 2 }$ feet;
D) $l = 121$ feet; $w = 8$ feet
E) $l = 484 \sqrt { 2 }$ feet; $w = \sqrt { 2 }$ feet