Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = 5x - 1 from x = 1 to x = 4; n = 2
A. 55.75
B. 35.75
C. 25.75
D. 45.75
Answer: D
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Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 6); quadrant II B. (-4, 6); quadrant I C. (-4, 3); quadrant II D. (-4, 3); quadrant I
Solve the problem.Frank can type a report in 8 hours. James takes 7 hours to type it. How long will it take the two of them typing together?
A. 
hr
B. 56 hr
C. 
hr
D. 
hr
Find the perimeter of the geometric figure.
A. 16k2 + 24x B. 8k2 + 6x + 6 C. 8k2 + 12x D. 16k2 + 12x + 12
Find the indicated probability.The managers of a corporation were surveyed to determine the background that leads to a successful manager. Each manager was rated as being either a good, fair, or poor manager by his/her boss. The manager's educational background was also noted. The data appear below: Educational Background
If a manager is selected at random, what is the probability that he or she is either a good manager or has an advanced degree? Give your answer as a fraction.
A. 
B. 
C. 
D. 