Test the vector field F to determine if it is conservative.F = xyi + yj + zk
A. Not conservative
B. Conservative
Answer: A
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Solve the problem.The graphs below show the first and second derivatives of a function 
. Select a possible graph of f that passes through point P.f'?f"
?
A. 
B. 
C. 
D. 
Solve.A car travels 147 miles in 2 hours and 30 minutes. What is its average speed in mph and km/hr? (Round to the nearest tenth.)
Fill in the blank(s) with the appropriate word(s).
Factor out a factor with a negative coefficient.-2x4 + 6x
A. -2x(x3 - 3) B. 2(x4 + 3x) C. 2x(x3 - 3x) D. -2x(x3 + 3)
The loudness L(x), measured in decibels, of a sound of intensity x, measured in watts per square meter, is defined as 
watt per square meter is the least intense sound that a human ear can detect. Determine the loudness, in decibels, of the sound.A particular Boeing 747 jetliner produces noise at a loudness level of 113 decibels. Find the intensity level (round to the nearest hundredth) in watt per square meter for this noise.
A. 0.40 watt per square meter B. 0.10 watt per square meter C. 0.20 watt per square meter D. 0.80 watt per square meter