Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = 4x3 - 3x3 - x5
A. y ? -? as x ? -? and y ? ? as x ? ?
B. y ? ? as x ? -? and y ? -? as x ? ?
C. y ? ? as x ? -? and y ? ? as x ? ?
D. y ? -? as x ? -? and y ? -? as x ? ?
Answer: B
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A. 
B. 
C. 8p - 2
D. 
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A. valid B. invalid
Solve the equation. Check your solution.-4x - 12 + 5x = -3
A. {-15} B. {9} C. {-9} D. {15}
Solve the problem.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane.
A. 550 mph B. 435 mph C. 605 mph D. 525 mph