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MAT 194 Ans Key Spr 06

# MAT 194 Ans Key Spr 06 - lengthAB = 6(b − 1 50 x − 50 2...

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MAT 194 Spring 2006 Final Exam Answer Key 1. (a) (b) f 1 x = x 1 0.4 (c) 15,5 (d) y = l x = x 4 2. (a) i. 6.5 x − 2 and 5.5 x 7 ii. 2 x 5.5 iii. 1.5 x 7 iv. 6.5 x 1.5 (b) i. 2 3 ii. 1 3 3. (a) f t = 1500t 50000 (b) f t = 50000 1.02 t (c) f t = 50000 0.98 t f 5 = 57500 f 5 ≈ 55204 f 5 ≈ 45196 4. (a) x = e ln7 7 7.7724 (b) t = ln7 7 6 1.4910 (c) F , A ,C , B, D 5. (a) i. cos  = 6 10 = 0.6 ii. length AB =

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Unformatted text preview: lengthAB = 6 (b) − 1 50 x − 50 2 50 6. (a) (b) i. Amp = 3 ii. P = 8 iii. y = 3sin pi 4 t 2 2 7. x = 1 or x = − 2 8. p x = 1 2 x 3 − 3x 2 − 1 2 x 2 9. (a) (b) Asymptotes: y= 1, x= 3, x=-4 Intercepts: 0, 1 6 , − 2,0 , 1,0...
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