Evaluate the expression.P(9, 3)
A. 504
B. 1440
C. 60,480
D. 252
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the disk bounded by the circle 
A. Absolute maximum: 72 at 
and 
absolute minimum: 54 at 
and 
B. Absolute maximum: 126 at 
absolute minimum: 0 at 
C. Absolute maximum: 72 at 
and 
absolute minimum: 0 at 
D. Absolute maximum: 54 at 
and 
absolute minimum: 0 at 
Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? -9, -5
B. 
, x ? - 
C. 
, x ? - 
D. - 
, x ? -9, -5
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos(2?).
A. - 
B. 
C. - 
D. 