MA103_W20.zoux4980.Quiz_09_W20.pdf - Linyuan Zou Assignment...

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Linyuan Zou MA103 W20 Assignment Quiz 09 W20 due 03/26/2020 at 04:00pm EDT 1. (1 point) Using the method of substitution, I = Z 1 0 x 2 5 x + 6 dx = Z b a f ( u ) du where u = du = dx a = b = , and f ( u ) = . Answer(s) submitted: (incorrect) Correct Answers: 2 + 2 * x**3 6 * x**2 4 56 u**3 / 6 (56**4 - 4**4) / (6 * 4) 3. (1 point) Consider the region enclosed by x + 3 y = 21 and x + 7 = y 2 . Using integrals, the area of this region can be computed two different ways. (a) Integrating with respect to x : (c) Determine the area of the region. Answer: . Answer(s) submitted:

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