PreCalculuscumulativereview (1)

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Bergen Community College *

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PRECALCULU

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Mathematics

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Jan 9, 2024

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pdf

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29

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PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 1 1) Simplify each expression. a. b. c. 2) Solve each inequality. Express the solution set using interval notation. a. b. c. d. e. 3) Given a. b. c. d. e. f. 4) Find the difference quotient . Simplify your answer. a. b. c. d. 5) State the domain of each function. a. b. c. d. e. 6) Solve for x:
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 2 7) Graph: 8) Express 9) Graph each function. Identify any transformations from the parent function. a. b. c. d. e. 10) Given a. b. c. d. e. 11) Given a. b. c. 12) Determine whether the function has an inverse. If so, find the inverse, and state the domain and range of and . a. b. c. d. e. 13) Given show that f and g are inverse functions. 14) Write the standard form of the equation of the parabola that has the indicated vertex and whose graph passes through the given point. a. Vertex: Point: b. Vertex: 15) Given the function: a. Identify the vertex, axis of symmetry, and intercepts. b. Sketch the graph of
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 3 16) Sketch the graph of each polynomial. a. b. c. 17) Perform the operation and write the result in standard form ( ). a. b. 18) Simplify the complex number and write it in standard form ( ). 19) Divide. Express your answer in the form: quo . a. b. 20) Find all the real zeros of each polynomial function and determine its multiplicity. a. b. 21) Find all solutions of the polynomial equation. a. b. c. 22) Use the given zero to find all the zeros of the function. Function: zero: 23) Find the simplest polynomial of degree three with real coefficients that has 24) Find all the zeros of the polynomial and write the result as a product of linear factors. a. b. c. 25) State the domain of the function. Identify any asymptotes and intercepts. a. b. c.
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PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 4 26) Exponential Growth : The world population P (in billions) was 6.4 in 2005. The exponential growth rate k was 1.2% per year. a. Find the exponential growth function for the population b. Find the world population in 2008. c. When will the world population be 8 billion? 9 billion? d. Find the time for the world population to double in size. 27) Radioactive Decay : Let Q represent a mass of carbon 14 (in grams) whose half-life is 5,730 years. The quantity of carbon 14 present after t years is given by the model a. Determine the initial quantity. b. Determine the quantity present after 5,730 years. c. Determine the quantity present after 40,110 years. 28) Radioactive Decay : The initial quantity present of carbon 14 is 800 grams. If this substance has a half-life of 5,730 years, a. Find the formula for the quantity present ( . b. Find the amount of substance present after 150 years. 29) Sketch the graph of each function. Find the domain and any asymptotes. a. b. c. d. e. f. 30) Condense each expression. a. b. c. 31) Expand each expression. a. b. c.
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 5 32) Solve for x. a. b. c. d. e. f. g. h. i. j. k. l. m. n. o. p. 33) Compound Interest : You own a credit card that charges an annual interest rate of 16%, compounded continuously. a. Given the initial balance of $10,000, find your balance after 7 years. b. How much time will it take for your debt to double? 34) Depreciation : A car is worth $12,000. Five years ago the car was brand new and worth $25,000. a. Find a linear model of depreciation , where V is the value of the car after t years. b. Find an exponential model of depreciation 35) Determine the exact values of the six trigonometric functions of the indicated angle. a. b. c. d. e. f.
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 6 g. h. i. 36) Find the values of the six trigonometric functions of the angle using the right triangles: a. b. 37) Find the remaining five trigonometric functions of satisfying the indicated condition. a. b. c. d. 38) Find the amplitude, period, and phase shift. a. b. c. d. 39) Sketch the graph of each function. Include two full periods. Label any asymptotes and find the domain of the trigonometric function. a. b. c. d. e. f. g. h. i. j.
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PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 7 40) Verify each identity. a. b. c. d. 41) Solve for x on the interval a. b. c. d. e. f. 42) Solve for x on the interval a. b. c. d. 43) Solve for x. Give all solutions. a. b. c. d. 44) Evaluate each expression. a.
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 8 b. c. d. e. f. g. h. i. j. k. 45) Simplify each expression. a. b. 46) Find the exact values of given: a. where b. where c. where d. where 47) Use the power reducing formulas to express in terms of the first power of cosine.
PreCalculus(MAT-180) Cumulative Review Cerullo Learning Assistance Center (CLAC) Page 9 48) Solve for the missing angles and sides using a calculator. The diagram below is not drawn to scale. a b c A C B a. b. c. d. 49) A person casts a shadow that is 8 ft long. The angle of elevation from the tip of the shadow to the person’s head is . How tall is the person. 50) A 10 foot ladder is resting against a house. The top of the ladder is 7 feet from the ground. Find the angle the ladder makes with the ground. 51) A tree is growing in a field that is slanted from the vertical axis. At this moment in time, the tree is leaning towards the sun casting a shadow 50 meters long. The angle between the tip of the shadow and the top of the tree is . a. Draw a diagram representing the problem. b. Find the height of the tree. 52) A person is standing 250 feet from the base of a tall building. The angle of elevation to the top of the building is The angle of elevation to the top of the antenna located on the roof of the building is . How tall is the antenna?
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 1 1. a. b. – c. 2. a. b. c. d. e. 3. a. b. c. d. e. f. 4. a. b. c. d. 5. a. b. c. d. e. 6.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 2 7. 8. 9. a. Parent function is y=|x|
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 3 b. Parent function is c. Parent function is
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 4 d. Parent function is e. Parent function is 10. a. b. c. d. or e.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 5 11. a. b. c. 12. a. b. c. d. e. 13. 14. a. b. 15. a.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 6 b. 16. a.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 7 b. c. 17. a. b. 18. 19. a. b. 20. a. b.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 8 21. a. b. c. 22. 23. 24. a. b. c. 25. a. b. c. 26. a. b. c. d. 27. a. b. c.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 9 28. a. b. 29. Graphs a. b.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 10 c. d.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 11 e. f. 30. a. b. c. 31. a. b.
PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 12 c. 32. a. b. c. d. e. f. g. h. i. j. k. l. m. n. o. p. 33. a. b. 34. a. b. 35. a. b. c. d. e. f. g. h. i. 36. a. b.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 13 37. a. b. c. d. 38. a. b. c. 39. a.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 14 b. c.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 15 d. e.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 16 f. g.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 17 h. i.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 18 j. 40. a. b. c. d. 41. a. b. c. d. e. f. 42. a. b. c. d.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 19 43. a. b. c. d. 44. a. b. c. d. e. f. g. h. i. j. k. 45. a. b. 46. a. b. c. d. 47. 48. Answers may vary in last decimal place due to rounding errors a. b. c. d. 49. 50.
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PreCalculus(MAT-180) Cumulative Review Solutions Cerullo Learning Assistance Center (CLAC) Page 20 51. a. b. 52.
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