For the functions f(x) and g(x), determine the domain of (f ? g)(x) (the product of f and g).f(x) = , g(x) = -7x - 5

A. {x ? x is a real number}
B. {x ? x is a real number and x ? -7}
C. {x ? x is a real number and x ? 5}
D. {x ? x is a real number and x ? 7}


Answer: D

Mathematics

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