Perform the indicated operation and express in lowest terms.
+ 
A. m - 5
B. m - 3
C. m + 5
D. 
Answer: A
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Solve the initial value problem.u'(x) = 5u + 15, u(1) = 1
A. u = e5x - 5 - 3 B. u = 4e5x - 5 - 3 C. u = 12e5x + 5 - 3 D. u = 12e5x + 5 + 3
In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
A graph that appropriately models this situation would have
A. 7 vertices and 7 edges. B. 5 vertices and 3 edges. C. 5 vertices and 7 edges. D. 3 vertices and 7 edges. E. none of above
Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. A certain noise produces 5.1 × 10-4 watt/m2 of power. What is the decibel level of this noise? (Round to an appropriate number of significant digits.)
A. 200 decibels B. 77 decibels C. 9 decibels D. 87 decibels
Determine the amplitude and range of the given function.y = -2 sin x
A. amplitude: 2, range: [0, 2] B. amplitude: 2?, range: [-2?, 2?] C. amplitude: 2, range: [-2, 2] D. amplitude: 2?, range: [0, 2?]