Find an approximation of the area of the region R under the graph of f by computing the Riemann sum of f corresponding to the partition of the interval into the subintervals shown in the accompanying figures. Use the midpoints of the subintervals as the representative points.
?
?
A. 8.4 sq units
B. 8.095 sq units
C. 8.47 sq units
D. 9.442 sq units
Answer: A
Mathematics
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A. 6k
B. 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
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Factor and, if possible, simplify the expression.sin ? cot ? + cot ? - sin ? - 1
A. (cot ? + 1)(sin ? - 1) B. (cot ? - 1)(sin ? + 1) C. (cot ? sin ? - 1)(sin ? + 1) D. (cot ? - sin ?)(sin ? + 1)
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= 9
A. no solution B. {-4, 0} C. {-4, 4} D. {4, 0}
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Translate using numbers and symbols.Nine minus six
A. 9 - 7 B. 9 - 6 C. 6 - 9 D. 9 - x
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