Give a proof of the following statement. Suppose A, B and C are sets, f is a surjective function from A to B, and g is a surjective function from B to C. Then go f is surjective.

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Q: True or false Generalized inverses always exist.

A: Answer : true Generalized inverses always exist.

Q: Part A: Rectangular Table 1. Using a meterstick or a ruler, measure the length and the width of the…

A: m          1.2096    2.4192 cm   120.96     241.92 mm  1209.6   2419.2

Q: 1. Laplace Transform. Solve the following differential equation completely. y" + y = 1+ 2t³ et…

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Q: Ut = Uxx e-3t sin(5x) + e−²t sin x, -2t u(0,t) = u(T,t) =0, u(x,0) = sin(2x).

A: Introduction: Laplace transformation and inverse Laplace transformation is very significant in…

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Q: Exercise 6.2 Answer all the questions below: 6 - 2{32 + (7-5x2} +5-{}} = 2+5-(4) 2-

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Q: Compare the monthly payment and total payment for the following pair of $180,000 loan options.…

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Q: COS1501 |U| = 140 100 (40-x)-X -(50-x) = x + 10 50-x 40-X X 45-X 80-(50-x) -X - (45-x) = x - 15…

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Q: Problem #6: Consider the following initial value problem. 0 t ≤ 3 9 3 ≤t<7 0 7 ≤t<∞ y' + 6y = y(0) =…

A: Introduction: At first glance, the Laplace Transform appears to be quite an arcane and abstract…