At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that 2x + 2y ? 0
B. All (x, y) such that x + y ? 0
C. All (x, y) such that 2x + 2y ? 0
D. All (x, y)
Answer: C
Mathematics
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Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
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Use exponential notation to write the repeated multiplication.7 ? 7 ? 7
A. 37 B. 3 ? 7 C. 71 D. 73
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Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.1.883
A. 1.884, 1.88, 1.8 B. 1.883, 1.90, 2 C. 1.883, 1.88, 1.9 D. 1.88, 1.8, 1
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Simplify.
A. 7 B. 9 C. 3 D. 8
Mathematics