Simplify the expression, writing the answer as a single term without negative exponents.
A. 1
B. 
C. xy
D. 
Answer: B
Mathematics
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Find the potential function f for the field F.F = - 
i + 
j - 
k
A. f(x, y, z) = ln (y - x - z) + C
B. f(x, y, z) = 
- 
+ 
+ C
C. f(x, y, z) = 
+ C
D. f(x, y, z)= ln 
+ C
Mathematics
Graph the function.y = 2 csc 
A. 
B. 
C. 
D. 
Mathematics
Graph the equation.3y = 21
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The owner of a small manufacturing plant employs six people. As part of their personnel file, she asked each one to record to the nearest mile the round-trip distance they travel to and from work each day. The six distances are listed below. Find the variance rounded to the nearest tenth. 29 28 16 49 67 29
A. 338.3 B. 24.2 C. 9374.4 D. 28.9
Mathematics