Find the exact value of the expression.cot-1
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find the value of b for which 1 - eb + e2b - e3b + . . . = 6.
A. ln 7
B. ln 6
C. ln 
D. ln 
Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use Simpson's Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 7,733 gal B. 8,850 gal C. 7,050 gal D. 7,725 gal
Use the range rule of thumb to approximate the standard deviation.A distribution of data has a maximum value of 81, a median value of 49, and a minimum of 17. Round results to the nearest tenth.
A. 12.8 B. 16.0 C. 8.5 D. 32.0
Provide an appropriate response.The root x = 2 is the correct solution for which equation?
A. 5x = 7 B. 6x = 8 C. -3x = 6 D. 8x = 16