Determine the domain and the range of the function.f(x) = -x2 + 4x + 5

A. domain: {x|x ? -2}
range: {y|y ? 9}
B. domain: all real numbers
range: {y|y ? 9}
C. domain: all real numbers
range: {y|y ? -9}
D. domain: all real numbers
range: all real numbers


Answer: B

Mathematics

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