Write the Equation of the Circle $( x - 4 ) ^ { 2 } + y ^ { 2 } = 16$

Multiple Choice

Write the equation of the circle. Assume the radius is a whole number.
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A) $( x - 4 ) ^ { 2 } + y ^ { 2 } = 16$
B) $( x + 4 ) ^ { 2 } + y ^ { 2 } = 16$
C) $x ^ { 2 } + ( y + 4 ) ^ { 2 } = 16$
D) $x ^ { 2 } + ( y - 4 ) ^ { 2 } = 4$