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# Solution: In each of 1 through 15, find the Fourier transform of the function and graph ISBN: 9781111427412 173

## Solution for problem 14.27 Chapter 14

Advanced Engineering Mathematics | 7th Edition

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Problem 14.27

In each of 1 through 15, find the Fourier transform of the function and graph the amplitude spectrum. Wherever k appears it is a positive constant. Use can be made of the following transforms: F[ekt2 ]() = k e2/4k and F 1 k2 + t 2 () = k ek||f (t) = H(t k)et/4

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Calculus notes for week of 9/19/16 3.6 Derivatives as Rates of Change Velocity is measured as: V ave(t+∆t) or s(b) – s(a) ∆t b – a (Change in position over change in time.) S’’(t) = V’(t) = A(t) (From left to right: S=Position, V= Velocity, and A=Acceleration) Average and Marginal Cost Suppose C(x) gives the total cost to produce x units of a good cost. Sometimes, C(x) = FC + VC * x FC = Fixed cost which does not change with units produced. VC = Variable cost which is the cost to produce each unit. C(x) = Average cost. C’(x) = Marginal cost, which is approximately the extra cost to produce one more unit beyond x units. C’(x) = lim C(x+∆x) – C(x) ∆x>0 ∆x 3.7 Chain Rule How do we differentiate a composi

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