Evaluate the expression. All numbers are approximate. State your answer with the proper accuracy and precision.
A. -135.01
B. 15.9
C. 15.908
D. -15.91
Answer: B
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Find all the first order partial derivatives for the following function.f(x, y) = sin2 (4xy2 - y)
A. fx(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = 2 sin(4xy2 - y) cos(4xy2 - y) B. fx(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = (16x - 2) sin (4xy2 - y) cos (4xy2 - y) C. fx(x, y) = 8y2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y) D. fx(x, y) = 8y2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = (16xy - 2) sin (4xy2 - y) cos (4xy2 - y)
Solve the problem.John earns $14.92/hour. If he works 11 hours, how much will he earn?
A. $165.22 B. $164.12 C. $164.22 D. $164.13
Factor out the largest possible common factor.24x7y8 - 30x5y6 + 54x2y3
A. No common factor B. 6(4x7y8 - 5x5y6 + 9x2y3) C. 6x2y3(4x5y5 - 5x3y3 + 9) D. 6x2(4x5y8 - 5x3y6 + 9y3)
Graph.x = -8
A. 
B. 
C. 
D. 