Solve the Problem $A ( x ) = 43 x ^ { 2 } - x$

Multiple Choice

Solve the problem.
-Bob wants to fence in a rectangular garden in his yard. He has 82 feet of fencing to work with and wants to use it all. If the garden is to be x feet wide, express the area of the garden as a function of x.

A) $A ( x ) = 43 x ^ { 2 } - x$
B) $A ( x ) = 41 x - x ^ { 2 }$
C) $A ( x ) = 40 x - x ^ { 2 }$
D) $A ( x ) = 42 x - x ^ { 2 }$