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.y = 2x2 + x + 3 from x = 0 to x = 6; n = 6
A. 200
B. 221
C. 230
D. 211
Answer: B
Mathematics
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Determine if the given polar coordinates represent the same point.(7, ?/4), (7, 5?/4)
A. No B. Yes
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In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
It is possible to take a walk though this town, starting on the South Bank, crossing each bridge once (and only once) and ending
A. on island C. B. back on the South Bank. C. on island B. D. on the North Bank. E. none of these
Mathematics
Find the domain of the function.
?
?
A. 
B. 
C. 
D. 
E. 
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Write an inequality involving absolute value that describes the graph shown.
A. 
? 0
B. 
? 3
C. 
? 3
D. 
? 0
Mathematics