Divide using long division.
A. x2 + 4x + 3
B. x2 - 4x - 3
C. 5x2 - 4x - 3
D. 5x2 - 3
Answer: C
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - ex cos y)i + (x + ex sin y)j; C is the lobe of the lemniscate r2 = sin 2? that lies in the first quadrant.
A. 
B. 0
C. 
D. 1
Graph the region that satisfies the constraints.Bubba's Computer World sells personal computers. To advertise its computers to target groups, they advertise with x one-minute spots on local television at a cost of $264 per minute, and y one-minute spots on radio, at a cost of $220 per minute. Research shows that they sell one computer for every 3 minutes of television advertising, and one computer for every 6 minutes of radio advertising. Suppose the company has at most $55,000 to spend on advertising and that they sell at least 50 computers per month from this advertising.
A. 
B. 
C. 
D. 
Use a sum-to-product identity to rewrite the expression.sin 15° - sin 31°
A. 2cos (-8.0°) sin (23.0°) B. 2sin (-8.0°) sin (23.0°) C. 2sin (-8.0°) cos (23.0°) D. 2cos (-8.0°) cos (23.0°)
Determine whether the relation is a function.{(-1, -4), (3, 2), (6, 5), (7, -4), (10, -9)}
A. Function B. Not a function