Determine the domain of the expression. Write the domain in interval notation.
+ 
A. (-?, 6) ? (6, ?)
B. (-?, -6) ? (-6, ?)
C. (-?, ?)
D. (-?, 0) ? (0, ?)
Answer: A
Mathematics
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Find the surface area of the surface S.S is the portion of the paraboloid z = 64 - x2 - y2 that lies above the ring 9 ? x2 + y2 ? 25 in the 
A. 
[101
- 37
]
B. 
[101
- 37
]
C. 
[101
- 37
]
D. 
[101
- 37
]
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.(9, ?)
A. (0, -9) B. (0, 9) C. (9, 0) D. (-9, 0)
Mathematics
Solve.
= 
A. 
B. 
C. 
D. empty set
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."The quotient of 74 and a number
A. x - 74
B. 74 - x
C. 
D. 
Mathematics