Determine the domain and the range of the function.f(x) = x2 + 8x + 7
A. domain: range: {x|x ? 4}
range: {y|y ? 9}
B. domain: range: {x|x ? 4}
range: {y|y ? -9}
C. domain: all real numbers
range: {y|y ? -9}
D. domain: all real numbers
range: {y|y ? 9}
Answer: C
Mathematics
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A. 
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