Use One of the Appropriate Patterns $( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }$

Multiple Choice

Use one of the appropriate patterns $( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }$ ; $( a - b ) ^ { 2 } = a ^ { 2 } - 2 a b + b ^ { 2 }$ ; $( a + b ) ( a - b ) = a ^ { 2 } - b ^ { 2 }$ to find the following product. $( x + 4 ) ^ { 2 }$

A) $x ^ { 2 } + 8 x + 16$
B) $x ^ { 2 } + 8 x + 4$
C) $x ^ { 2 } - 8 x + 16$
D) $x ^ { 2 } + 4 x + 16$
E) none of these