Solve
-The Length and Width of a Rectangle Must Have $14 \mathrm { ft }$

Multiple Choice

Solve.
-The length and width of a rectangle must have a sum of 28 feet. Find the dimensions of the rectangle whose area is as large as possible.

A) Length $14 \mathrm { ft }$ ; width $42 \mathrm { ft }$
B) Length $13 \mathrm { ft }$ ; width $15 \mathrm { ft }$
C) Length $14 \mathrm { ft }$ ; width $14 \mathrm { ft }$
D) Length $\frac { 1 } { 14 } \mathrm { ft }$ ; width $\frac { 13 } { 14 } \mathrm { ft }$