Identify where f is increasing or where f is decreasing, as indicated. Round your answer to two decimal places when appropriate.f(x) = -4x2 + 8x - 9; decreasing
A. [-1, ?)
B. [1, ?)
C. (-?,1]
D. (-?, -1]
Answer: B
Mathematics
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Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).-
- i
A. 
(cos 135° + i sin 135°)
B. 
(cos 45° + i sin 45°)
C. 
(cos 225° + i sin 225°)
D. 
(cos 315° + i sin 315°)
Mathematics
Provide an appropriate response.When MACRS is used to depreciate an asset, the salvage value is treated as income when the asset is sold.
A. True B. False
Mathematics
Solve the system of equations by the addition method.
A. infinite number of solutions B. (0.08, -0.01) C. (10, -1.1) D. (-2, 1)
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 1 B. x = 1, x = -6 C. x = -1, x = 6 D. x = -1
Mathematics