5.2 - mora-boellstorff (erm823) 5.2 Arledge (55875) 1 This...

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Unformatted text preview: mora-boellstorff (erm823) 5.2 Arledge (55875) 1 This print-out should have 6 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Evaluate the definite integral I = integraldisplay- 4 parenleftBig 2 + radicalbig 16- x 2 parenrightBig dx by interpreting it in terms of known areas. 1. I = 4 + 4 2. I = 8 + 4 3. I = 8 + 8 4. I = 4 + 8 correct 5. I = 16 + 8 6. I = 16 + 4 Explanation: Since the graph of y = 2 + radicalbig 16- x 2 is the upper half of the circle centered at (0 , 2) having radius r = 4, the value of I is the area of the shaded region in- 4 2 bounded by the graph of y = 2 + radicalbig 16- x 2 , the vertical lines x =- 4, and x = 0 as well as the interval [- 4 , 0]. Consequently, the area is the sum of the area of a quarter-circle of radius r = 4 and a 4 2 rectangle, i.e. , I = 4 + 8 ....
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5.2 - mora-boellstorff (erm823) 5.2 Arledge (55875) 1 This...

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