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Unformatted text preview: p y + 2p 2 y + 5 =1 33. ( x 2 + 6) 1 / 4 = x Absolute value Solve the following: 34.  x 29  = 7 3 35.  x 2 + 9  = 7 Absolute value inequalities Solve the following: 36.  2 x1  < 5 37.  2 x1  > 5 38.  5 x3  7 > 4 39. 6  2 x + 1  >5 40.  78 x  ≥ 9 41.  6 x9  <8 42.  7 x + 21  = 0 Function inequalities 43. 3 x2 4 x + 1 > 5 44. x + 1 x2 ≤ 7 Trigonometric functions 45. In the range (0 ,π ), when is sin x < cos x ? 46. When does cos(4 x ) = 1 2 in the range (0 ,π )? Trig deﬁnitions 47. If tan θ = 12 5 and θ is in the third quadrant, ﬁnd sin θ and cos θ . 4 48. If sin x = y , ﬁnd cos x and tan x . 49. Convert 210 ◦ to radians and 3 π 4 to degrees. 50. Find a polynomial of degree 3 that satisﬁes f (2) = 4 and has roots at x =2 , 1 , 3. 5...
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 Fall '08
 DUMITRISCU
 Calculus, Factoring, Polynomials

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