Solve the problem.For what numbers ? is f(?) = cot ? not defined?
A. odd multiples of ? (180°)
B. odd multiples of 
(90°)
C. integral multiples of ? (180°)
D. all real numbers
Answer: C
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A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.In Angela's class, the taller students got lower scores on the test.
A. Positive correlation; coincidence B. Positive correlation; common underlying cause C. Negative correlation; coincidence D. Negative correlation; common underlying cause
Use De Morgan's laws to write a negation of the statement.A man eats six hot dogs and he does not get a stomach ache.
A. A man does not eat six hot dogs or he gets a stomach ache. B. A man eats six hot dogs or he gets a stomach ache. C. A man eats six hot dogs and he gets a stomach ache. D. A man does not eat six hot dogs or he does not get a stomach ache.
Solve the equation.
+ 
= 
A. {6, 1} B. {1} C. {-6, 1} D. {6, -1}
Use DeMoivre's Theorem to find the following. Write your answer in standard form.
?
?
?
A. ?-8 - 8?i?
B. ?18i111111
C. ?-?16 - 16i
D. ?116
+ 16i?1
E. ?81111?1