Find the best buy (based on cost per unit).Brand X: 10 oz for $1.50Brand Y: 8 oz for $1.04
A. Brand X
B. Equal value
C. Not enough information
D. Brand Y
Answer: D
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = ln (x2 + y2) i + tan-1 
j; C is the region defined by the polar coordinate inequalities 
and 
A. 0 B. 61 C. 22 D. 11
Provide an appropriate response.Which one of the following is a description of the graph of the solution set for the system below?x2 + y2 ? 36 4x2 + 9y2 ? 36
A. The area inside the ellipse (defined by the second equation) and outside the circle (defined by the first equation), including both borders. B. The area inside the ellipse (defined by the second equation), including the border. C. The area inside the circle (defined by the first equation) and outside the ellipse (defined by the second equation), including both borders. D. None of these
Solve.
+ 5 = 11
A. x = 36 B. x = 18 C. x = 3 D. x = 48
Find the derivative.y = 
A. 5
cos (x2)
B. 4
cos (x2)
C. 5 cos (x2) - 5
sin (x2)
D. 
cos (x2)