Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = 
x2 - 4x - 
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on (-2, ?) , decreasing on (-?, -2)
D. Increasing on (4, ?) , decreasing on (-?, 4)
Answer: D
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Solve the given problem by using Laplace transforms.A pendulum moves with simple harmonic motion according to the differential equation 
where ? is the angular displacement and D = d/dt. Find ? as a function of t given that 
and ? = 0 when 
A. ? = -0.14 sin 4.2t B. ? = 0.14 sin 4.2t C. ? = 1.3 sin 8.5t D. ? = 0.14 cos 4.2t
The text mentions that FedEx studied the activities and best practices of transportation companies in order to develop its over-night delivery business. In this example, FedEx used
A. benchmarking B. outsourcing C. diversification D. an acquisition
Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 32 B. 64 C. 5 D. -64
Multiply.(0.6m7n8)(0.1m3n2)
A. -0.06m10n10 B. -0.06m21n16 C. 0.06m10n10 D. 0.06m21n16