Solve the problem.For what numbers ? is f(?) = csc ? not defined?
A. integral multiples of ? (180°)
B. all real numbers
C. odd multiples of 
(90°)
D. odd multiples of ? (180°)
Answer: A
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Find the area of the region specified in polar coordinates.the smaller loop of the curve r = 8 + 16 sin ?
A. 16(2? + 3
)
B. 32(2? - 3
)
C. 16(2? - 3
)
D. 32(2? + 3
)
Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $6 each and a number of necklaces at $13 each. She wrote a check for $1420 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 30 bracelets and 90 necklaces B. 15 bracelets and 105 necklaces C. 25 bracelets and 95 necklaces D. 20 bracelets and 100 necklaces
Fill in the blanks.602 = 
so 
= 60.
A. 3600, 60 B. 3600, 3600 C. 60, 60 D. 60, 3600
Determine whether the two matrices are inverses of each other by computing their product.
and 
A. No B. Yes