Question: x + 3 Use interval notation to indicate the domain of f(a) = x2 + 14x + 49 Answer: x E Note: Input U, infinity,


x + 3 Use interval notation to indicate the domain of f(a) = x2 + 14x + 49 Answer: x E Note: Input U, infinity, and -infinity for union, oo, and -oo, respectively
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