Evaluate.4(xy + 4)x for x = 3 and y = -2
A. -8
B. -32
C. 32
D. 16
Answer: B
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Find the local extrema of the function, if they exist.f(x) = 
A. Local minimum at (0, -2) B. No local extrema exist C. Local maximum at (0, -2) D. Local maximum at (0, 2)
Solve the problem.A sailboat leaves port on a bearing of S72°W. After sailing for two hours at 12 knots, the boat turns 90° toward the south. After sailing for three hours at 9 knots on this course, what is the bearing to the ship from port? Round your answer to the nearest 0.1°.
A. N23.6°E B. S23.6°W C. S24.6°W D. N24.6°E
Match the equation with the correct graph.(x - 2)2 + (y + 1)2 = 49
A. 
B. 
C. 
D. 
Find the absolute maximum value and the absolute minimum value, if any, of the given function.
?
on 
?
A. Absolute maximum value: none; absolute minimum value: 0 B. Absolute maximum value: 0; absolute minimum value: -8 C. Absolute maximum value: 8; absolute minimum value: 0 D. No absolute extrema