Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 11)2
A. above the x-axis: (-?, -11)
below the x-axis: (-11, ?)
B. above the x-axis: (-?, -11), (-11, ?)
below the x-axis: no intervals
C. above the x-axis: no intervals
below the x-axis: (-?, -11), (-11, ?)
D. above the x-axis: (-11, ?)
below the x-axis: (-?, -11)
Answer: B
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