Graph the function. Show at least one period.y = 
cot
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use a truth table to determine whether the argument is valid.p ? ~q
p ? q
A. Valid B. Invalid
Mathematics
Evaluate.cos2 315° - sin2 270° + 4 tan2 30°
A. - 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The function f(x, y) = 
x3 + 
y2 + xy - 6x + 3 has a relative minimum at
A. (-2, 2). B. (2, -2). C. (-3, 3). D. (2, 2). E. (3, -3).
Mathematics
Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 1104 people is randomly selected, find the probability that the person is a man or a heavy smoker. Round your answer to three decimal places.
A. 0.547 B. 0.514 C. 0.580 D. 0.486
Mathematics