Pre-Calc Homework Solutions 207

Pre-Calc Homework Solutions 207 - Section 5.1 21. Use MRAM...

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21. Use MRAM with p x on the interval [0, 5], n 5 5. 1 1 } 1 2 } p 1 } 3 2 } p 1 } 5 2 } p 1 } 7 2 } p 1 } 9 2 } p 2 5 } 2 2 5 } p < 39.26991 22. (a) LRAM 5 : 32.00 1 19.41 1 11.77 1 7.14 1 4.33 5 74.65 ft/sec (b) RRAM 5 : 19.41 1 11.77 1 7.14 1 4.33 1 2.63 5 45.28 ft/sec (c) The upper estimates for speed are 32.00 ft/sec for the first sec, 32.00 1 19.41 5 51.41 ft/sec for the second sec, and 32.00 1 19.41 1 11.77 5 63.18 ft/sec for the third sec. Therefore, an upper estimate for the distance fallen is 32.00 1 51.41 1 63.18 5 146.59 ft. 23. (a) 400 ft/sec 2 (5 sec)(32 ft/sec 2 ) 5 240 ft/sec (b) Use RRAM with 400 2 32 x on [0, 5], n 5 5. 368 1 336 1 304 1 272 1 240 5 1520 ft 24. (a) Upper 5 70 1 97 1 136 1 190 1 265 5 758 gal Lower 5 50 1 70 1 97 1 136 1 190 5 543 gal (b) Upper 5 70 1 97 1 136 1 190 1 265 1 369 1 516 1 720 5 2363 gal Lower 5 50 1 70 1 97 1 136 1 190 1 265 1 369 1 516 5 1693 gal (c) 25,000 2 2363 5 22,637 gal } 22 7 , 2 6 0 37 } < 31.44 h (worst case) 25,000 2 1693 5 23,307 gal
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