A wildlife organization wants to fence off an area of a beach. The organization can only fence 1000 yd^2 the organization wants to use the least amount of fencing possible. Which equation should the organization use to find the minimum amount of fencing ?

A) f = 2000x / x
B) f= 1000x / x
C) f = 2000x / x
D) f = ( 1000 / x ) + x