Find the value of the expression using the given values.(
)2?x = 4
A. 16
B. 4
C. 
D. 
Answer: B
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Find fx, fy, and fz.f(x, y, z) = x2y + y2z + xz2
A. fx = 2xy + z2; fy = x2 + yz; fz = y2 + xz B. fx = 2xy; fy = x2 + 2yz; fz = y2 + 2xz C. fx = 2xy + z2; fy = x2 + 2yz; fz = y2 + 2xz D. fx = 2y + z2; fy = x2 + 2z; fz = y2 + 2x
Use this graph to answer the question.
MonthWhat was the total increase in sales from 2009 to 2010?
A. $12,000 B. $22,000 C. $1,342,000 D. $182,000
Solve the problem.Experience shows that a ski lodge will be full (198 guests) if there is a heavy snow fall in December, while only partially full (94 guests) with a light snow fall. What is the expected number of guests if the probability for a heavy snow fall is .40?
A. 118.8 B. 156.4 C. 79.2 D. 135.6
Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.2 cos(3x) = 
A. 
B. 
C. {x|x = 0.17 + k? or x = 1.92 + k?}
D. {x|x = 0.26 + 2k? or x = 1.83 + 2k?}