Page 1 Calculus Summer Packet 2011 (Review of Precalc/Trig concepts) The purpose of this summer packet is to review Trigonometry/Pre-Calculus concepts that are essential for Calculus. All students entering Calculus are required to complete the packet. Continued enrollment in the course is determined by Mr. Hopkins based upon the completion of the packet and performance on the Review exam. Please follow the instructions below. 1. The packet is due - NO EXCEPTIONS! An exam will be given on this material on ___________ 2. The packet is worth 50 points. Points are awarded for accuracy. WORK MUST BE SHOWN! NO WORK, NO POINTS! Show all work on the question packet in the given space for each question. Transfer answers to the answer sheet. 3. Web links have been posted on the district site that will help you with each of the topics. Follow the instructions below to view the links. a. b. c. d. e. Open the School Website: http://www.cdschools.org Select a school: Central Dauphin East High School Click on ‘Staff’ Click on Mr. Hopkins Click on ‘Summer Packet’ 4. Extra Copies of the packet can be found on Mr. Hopkins’ website. Page 2 1. Classify these numbers as rational or irrational. a) 7329 b) c) 0.95832758941… 2. Complete the identity 3. Factor this polynomial. 4. State the quadrant in which the terminal side of each angle lies. a) -509 c) -340 5. Solve by substitution. 6. Express the given in the standard form of 7. Solve for x. Use the logarithmic properties. 8. Graph this piecewise function. b) d) Page 3 9. Verify the following identity. 10. Solve the following logarithm. 11. Simplify 12. Factor this polynomial. 13. Simplify 14. Simplify using the logarithm properties 15. Convert to radian/Degrees 16. Simplify the following 17. Factor 18. Solve the following logarithm. 19. Simplify Page 4 20. Solve 21. Graph the following 22. Solve for x. 23. Write the conjugate of 24. Solve using quadratic formula. 25. Simplify 26. Solve this using the calculator. 27. Solve using quadratic formula. 28. Solve the following logarithm 29. Find the Common Denominator 30. Simplify Page 5 31. Simplify the following 32. Simplify the following 33. Factor 34. Evaluate the following for A. f(7) B. f(4) Use the double-angle identity to find the exact value of each expression 35. 36. 37. What Comes Next….. …., 1, 2, 4, ____, 16, … 38. Write the recursive formula for each sequence 15, 215, 415, 615, 815 … 39. Graph the following logarithm. 40. Graph the following: Find the inverse of each function 41. C. f(-3) Page 6 42. Simplify the following expressions: 43. -2(-6x-9)-4(4+9) 44. 7(1+9v)-8(-5v-6) 45. Which of the following identities is/ are true? A. C. B. D. 46. Use the Law of sins and cosines to solve. A triangle has sides equal to 5 cm, 10 cm, and 7 cm. Find its angles (round answers to 1 decimal place) Hint: a = 10 cm, b = 7 cm, and c = 5. Find A, B, and C. 47. Solve the following equation: 48. Use the following formula to solve this problem. The population of a town increases from 15,000 to 25,000 in 10 years. Assuming that the population is growing exponentially, how long does it take the population to increase by 40%? Find the polar coordinates: 49. 50. Multiply the following: 51. Factor the equation: Page 7 52. Factor 53. A person’s blood pressure changes in rhythmic fashion, with a periodicity set by the beating of the heart. Suppose a person’s blood pressure P in mm of mercury at time t (seconds) is given by the formula. a) Find the period of the function T (one cycle = one heartbeat) b) Find the number of heartbeat (cycles) per minute. c) Find the maximum and minimum blood pressure. 54. A radioactive isotope has a half-life of 450 years. Find how long it will take a sample of the isotope to decrease from 6 mg to 2 mg. HINT: 55. The population of a town increases from 15,000 to 25,000 in 10 years. Assuming that the population is growing exponentially, how long does it take the population to increase by 40% ? 56. Suppose Rex has learned a list of 500 vocabulary words, and that the number of words he remembers after weeks decreases exponentially. If he remembers 450 words after 3 weeks, how long does it take for the number of words he remembers to decrease by 40%? 57. 58. 59. Use the properties of logarithms to rewrite 60. Use trig identities to change 61. Use trig tidentities to change Page 8 62. Simplify the expression 63. Simplify the expression 64. Find an equation of the circle which has the line segment from 65. Calculate the distance from the point as a diameter. to the line 3x-4y=21 66. Prove that 67. Given the equation Find the following: o Amplitude o Period o Horizontal Shift o Vertical Shift o Domain o Range o The four points that have a y-coordinate of 11 68. A man, standing on the top of a building that is 1,000 feet high, looks down, with an angle of depression of 42 degrees, to the base of the building across the street. How far apart are the buildings? 69. A total of $10,000 is invested for 10 years at 12% per year compounded quarterly. How much interest will be earned during the 10 years? 70. Simplify the following 71. Find the rational zeros of Page 9 72. Solve the following system of equations for x, y, and z: 73. Solve for x algebraically: 74. The radioactive element carbon-14 has a half-life of about 5,750 years. The percentage of carbon-14 present in the remains of animal bones can be used to determine age. How old is an animal bone that has lost 40% of its carbon-14? 75. Simplify the following: 76. Simplify the following: