For the functions f(x) and g(x), determine the domain of (f + g)(x) (the sum of f and g).f(x) = 
, g(x) = -4x - 5
A. {x ? x is a real number and x ? 5}
B. {x ? x is a real number}
C. {x ? x is a real number and x ? -11}
D. {x ? x is a real number and x ? 11}
Answer: D
Mathematics
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? 
A. 
B. 
C. 
D. 
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