The graph of the difference equation yn = -2yn-1 + 3 is
A. oscillating and repelled by the line y = 1.
B. monotonic and attracted to the line y = 1.
C. monotonic and repelled by the line y = 1.
D. oscillating and attracted to the line y = 1.
E. none of these
Answer: A
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Use a calculator or computer program to approximate the value of y(T) using Euler's method with the given time step on the interval [0, T]. Then, using the exact solution given, find the error in the approximation to y(T) (only at the right endpoint of the time interval). Round answers to five decimal places, do not use intermediate rounding.y'(t) = 
, y(0) = 6; ?t = 0.2, T = 1; y(t) = 
A. y(1) ? 6.08276; 0.01662 B. y(1) ? 6.09938; 0.01662 C. y(1) ? 6.09938; 6.08276 D. y(1) ? 6.09938; 0.20000
Find the least common multiple.10, 15
A. 25 B. 15 C. 30 D. 150
Use exponential notation to write the repeated multiplication.8 ? 8 ? 8
A. 83 B. 38 C. 81 D. 3 ? 8
Solve the problem. Round your answer to two decimal places.The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 15 seconds?
A. 3600 ft B. 4050 ft C. 240 ft D. 3150 ft