Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 13)2
A. above the x-axis: (-?, -13)
below the x-axis: (-13, ?)
B. above the x-axis: no intervals
below the x-axis: (-?, -13), (-13, ?)
C. above the x-axis: (-13, ?)
below the x-axis: (-?, -13)
D. above the x-axis: (-?, -13), (-13, ?)
below the x-axis: no intervals
Answer: D
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A. x ? 8 B. 6 ? x ? 8 C. -113 ? x ? 127 D. -? < x < ?
Solve the problem.On a holiday weekend, Nancy drove 1
hours in rush-hour traffic. When traffic eased up, she was able to increase her speed by 44 miles per hour and drove another 4
hours. If the entire trip was 354 miles, how fast did she drive in rush-hour traffic?
A. 27
mph
B. 27 mph
C. 28 mph
D. 26 mph
Write a word name for the number in the sentence.Scientists were predicting the demise of the space colony as the population approached 900,733,000.
A. nine hundred million, seven hundred thirty-three B. nine million, seven hundred thirty-three thousand C. nine hundred billion, seven hundred thirty-three million D. nine hundred million, seven hundred thirty-three thousand
Provide an appropriate response.Find the area between the graph of y = f(x) = x3, and the x-axis on the interval 
. Use your graphing calculator to see a graph of this area.
Fill in the blank(s) with the appropriate word(s).