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