Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.cot 
A. 
B. -
C. 
D. - 
Answer: C
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Identify the equation as either linear or nonlinear by trying to write it in the form 
x3- 4x = 6x2- 3
+ 12
A. Linear B. Nonlinear
Use Bayes' rule to find the indicated probability.A person must select one of three boxes, each filled with clocks. The probability of box A being selected is 0.15, of box B being selected is 0.25, and of box C being selected is 0.6. The probability of finding a red clock in box A is 0.2, in box B is 0.4, and in box C is 0.9. A box is selected. Given that the box contains a red clock, what is the probability that box A was chosen?
A. 0.045 B. 0.15 C. 0.03 D. 0.133
Perform the specified calculation.For the vectors u = 
and w = 
, calculate |-2u| + |3w|.
A. 2
+ 3
B. -2
+ 3
C. 2
+ 3
D. 2
- 3
Evaluate the logarithm.log1/33
A. -2 B. -1 C. 2 D. 1