Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = x2 + 6x + 9
A. domain: {x|-? < x < ?}
range: {y|y ? 9}
B. domain: {x|-? < x < ?}
range: {y|y ? 9}
C. domain: {x|-? < x < ?}
range: {y|y ? 0}
D. domain: {x|-? < x < ?}
range: {y|y ? 0}
Answer: C
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