Find the potential function f for the field F.F = sec2 x sin2 yi + 2 tan x sin y cos yj + 2z1k
A. f(x, y, z) = -sec x sin2 y + z2 + C
B. f(x, y, z) = sec x sin2 y + z + C
C. f(x, y, z) = sec x sin2 y + z2 + C
D. f(x, y, z) = tan x sin2 y + z2 + C
Answer: D
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Find the area of the shaded region of the figure. Use 3.14 for ? as necessary.
A. 50 ft2 B. 10 ft2 C. 100 ft2 D. 20 ft2
Determine if the argument is valid or invalid. Give a reason to justify answer.If you eat well, you will be well.If you are well, you will be happy.? If you eat well, you will be happy.
A. Valid by the law of contraposition B. Invalid by fallacy of the converse C. Valid by the law of syllogism D. Invalid by fallacy of the inverse
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
C. 
+ 
+ 
D. 
- 
+ 
Add. Do not use a number line except as a check.-38 + (-49)
A. 11 B. -11 C. 87 D. -87