Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 4, [0, 2?], left-hand endpoint
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 47 feet from point A and 65 feet from point B. The angle ACB is 45°. How far apart are points A and B?
A. 103.7 ft B. 46 ft C. 65.4 ft D. 92.7 ft
Mathematics
Write the decimal in words.1.592
A. one and five hundred ninety-two tenths B. one and five hundred ninety-two millionths C. one and five hundred ninety-two hundredths D. one and five hundred ninety-two thousandths
Mathematics
Perform the indicated operation. Write the result in standard form.(9 + 5i) + (-5 - 8i) + 9i
A. 14 - 3i B. 4 - 6i C. 4 + 6i D. 13 + 6i
Mathematics
Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics