Provide an Appropriate Response $x + 9$ Use the Formula for the Area of a Square

Multiple Choice

Provide an appropriate response.
-Consider the following figure, which is a square divided into two squares and two rectangles.
The length of each side of the large square is $x + 9$ . Use the formula for the area of a square to write $t$ area of the largest square as a power.

A) $( x - 9 ) ^ { 2 }$
B) $x ^ { 2 } - 9 ^ { 2 }$
C) $( x + 9 ) ^ { 2 }$
D) $x ^ { 2 } + 9 ^ { 2 }$