Solve the differential equation subject to the initial conditions.y' + y = 2ex; y = 20 when x = 0
A. y = 4e2 + 20e-x
B. y = 2ex + 17e-x
C. y = 20ex
D. y = ex + 19e-x
Answer: D
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A. Always diverges B. May converge or diverge C. Always converges
Solve the problem.In 1995 the population of a certain city was 23,000. Since then, the population has been growing at the rate of 300 people per year. Is this an example of linear or exponential growth? Find a function f that computes the population x years after 1995.
A. Linear; f(x) = 23,000x + 300 B. Exponential; f(x) = 23,000(1.03)x C. Exponential; f(x) = 23,000(300)x D. Linear; f(x) = 300x + 23,000
Graph the numbers on a number line.-8, -10, -4, -6
A. 
B. 
C. 
D. 
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A. 6i + 6j B. 6i + 3j C. 5i + 3j D. 5i + 5j