CD_ONLY_Ans_Review.pdf

CD_ONLY_Ans_Review.pdf - Answers to Review Exercises 1 a...

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1 1 a 78.5° b c d Intersects at 2 a 9 b 9 c 8.46 d 1.476 e 0.508 2 f g h i 3 b 256 c d 4 a b 4 c d 5 a b c 6 a b 3.49 c d 0.783 e 6 f c 135.3 units 3 1 6 x 6 2 3 , 3 5 x 0 1 f g 2 1 x 2 7 x 1 x 1 1 g f 2 1 x 2 6 x 2 3 x 2 dy dx 3 5 csc u x 5 a sec u 25 y 25 x 16 sin ¢ 31 p 36 , sin ¢ 19 p 36 , sin ¢ 7 p 36 , sin ¢ 5 p 36 , sin ¢ 17 p 36 , sin ¢ 29 p 36 . 31 p 36 , 19 p 36 , 7 p 36 , 5 p 36 , 17 p 36 , 29 p 36 . cos 6 u 1 18 sin 2 u 48 sin 4 u 32 sin 6 u ; 0.996, ; 0.574, ; 0.423 2 1 8 e i p 16 , 2 1 8 e i 9 p 16 , 2 1 8 e i 7 p 16 , 2 1 8 e i 15 p 16 1 i E 1 X 2 8.46, Var 1 X 2 2.18 20 71 71 392 1 5, 0, 2 2 r # £ 7 11 9 17 3 x 13 12 3 y 8 z 3 2 Answers to Review Exercises X 6 7 8 9 10 11 3 28 4 28 7 28 6 28 5 28 3 28 P 1 X x 2 8 b 10 c d e f 46.7° 9 b Tangent: Normal: c 10 a 0.274 b 1204 c d 0.624 e i 0.207 ii 0.380 m 502, s 6.35 x 3 2 1 2 log 2 3, y 3 log 2 3 y 3 2 x log 2 6 1 y 2 3 x log 2 6 1 ¢ 1, 1, 1 2 r § 0 2 1 2 ¥ l £ 1 3 1 x l , y 3 l 10 5 , z 2 l 5 10 b p 4 1 2 ln 2 x x 1 y (0, 0) x x 1 y 2 y (0, 1) 2 1 0 , 7 b x 1, y 2 d i ii 5 21 4 11 a c 12 a i ii b d 13 a b 0.417 c 0.639 14 b i iii No, 15 a b i ii 80 16 b i ii 17 a and b (0, 0) minimum TP, maximum TP 1 6, 12 2 y x 3 x 3 1 1, e
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