Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x - 4)3
A. above the x-axis: no intervals
below the x-axis: (-?, 4), (4, ?)
B. above the x-axis: (4, ?)
below the x-axis: (-?, 4)
C. above the x-axis: (-?, 4)
below the x-axis: (4, ?)
D. above the x-axis: (-?, 4), (4, ?)
below the x-axis: no intervals
Answer: B
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A. 
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C. 
D. 
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A. {x
}
B. {x
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