Math 151 WIR, Spring 2010,cBenjamin AurispaMath 151 Exam 2 Night Before Drill Answer Key1.3211602. L(x) = 8 + 12(x −4); 2.053≈4353. P (x) =12−√32(x −π3) −14(x −π3)24. (a) ∞(b) 05. y −e2= 7e2(x − 1)6. (a) See Full Solutions(b) f−1(x) =3s9x − 4x − 17. −198.√2110m/s9.38√116ft/s10.625ft/min11. (a) 9(b)4300=17512. x = 0,π3, π,5π3, 2π13. y0=3x2yex3y− 3 cos(3x − y) − y2−cos(3x − y) + 2xy −x3ex3y14.151115. a = ±216.D−9√24, −5√2E17. (a)√613(b) < −1627, 12 >18. f(29)(x) = −429e−4x− 329sin 3x19. (a) 6(b) Horizontal:t = 0: (0, 0)t = 3: (27, −27)Vertical:t = −3: (−9, −135)20. y −15 = −18712(x − 4)21. 711Math 151 WIR, Spring 2010,cBenjamin Aurispa22. See Full Solutions23. (a) f0(x) = 10 tan 5x sec25x +12sec(p3x2− x3) tan(p3x2− x3)(3x2− x3)−1/2(6x − 3x2)(b) g0(t) = 8 3t2+ 5t4t3− t2!7"(4t3− t2)(6t + 5) − (3t2+ 5t)(12t2− 2t)(4t3− t2)2#(c) h0(x) =6x2−4p8x6− x5(−9 csc29x+exeex)+5(cot 9x+eex)6x2−4p8x6− x4−12x3−14(8x6− x)−3/4(48x5−
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