Determine the domain and the range of the function.f(x) = x2 + 4x + 3
A. domain: all real numbers
range: {y|y ? -1}
B. domain: range: {x|x ? 2}
range: {y|y ? 1}
C. domain: all real numbers
range: {y|y ? 1}
D. domain: range: {x|x ? 2}
range: {y|y ? -1}
Answer: A
Mathematics
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