Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 10)2
A. above the x-axis: (-?, -10), (-10, ?)
below the x-axis: no intervals
B. above the x-axis: no intervals
below the x-axis: (-?, -10), (-10, ?)
C. above the x-axis: (-10, ?)
below the x-axis: (-?, -10)
D. above the x-axis: (-?, -10)
below the x-axis: (-10, ?)
Answer: A
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