Determine the domain and the range of the function.f(x) = x2 + 2x - 8

A. domain: all real numbers
range: {y|y ? 9}
B. domain: range: {x|x ? 1}
range: {y|y ? 9}
C. domain: all real numbers
range: {y|y ? -9}
D. domain: range: {x|x ? 1}
range: {y|y ? -9}


Answer: C

Mathematics

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