Express the sum or difference as a product of sines and/or cosines.sin(4?) - sin(2?)
A. sin ? cos(3?)
B. 2 sin(3?) cos ?
C. 2 sin ? cos(3?)
D. sin(3?) cos ?
Answer: C
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The number of cars sold weekly by a new automobile dealership grows according to a linear growth model. The first week the dealership sold two cars (P0 = 2). The second week the dealership sold six cars (P1 = 6).If PN denotes the number of cars sold in the Nth week, then
A. PN = PN-1 - 4. B. PN = PN-1 + 4. C. PN = 4PN-1. D. PN = PN-1 + 2. E. none of these
Determine either absolute convergence, conditional convergence or divergence for the series.
A. converges conditionally B. converges absolutely C. diverges
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.
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Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 
If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 12 mph Hike: 2 mph B. Bike: 14.5 mph Hike: 4.5 mph C. Bike: 13 mph Hike: 3 mph D. Bike: 11.5 mph Hike: 1.5 mph