At what points is the given function continuous?f(x, y, z) = ln(x + y + z - 8)
A. All (x, y, z) such that x + y + z ? 8
B. All (x, y, z) such that x + y + z > 8
C. All (x, y, z)
D. All (x, y, z) in the first octant
Answer: B
Mathematics
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A. 0.8% B. 800% C. 80% D. 0.008%
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Solve. Round to the nearest percent if necessary.Enrollment in a class at a local college increased from 190 to 304. What was the percent of increase?
A. 160% B. 60% C. 114% D. 38%
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Translate to a proportion and solve. Round to the nearest hundredth, if necessary.What number is 90% of 350?
A. 3,150 B. 31.5 C. 31,500 D. 315
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Simplify.
- 
+ 
A. 
B. 
C. 
D. 
Mathematics