AP Calculus AB Summer Assignment 2012 Name: __________________________________________ Directions: Any student enrolled in AP Calculus AB should be competent with the material presented in this packet. You may use notes or other resources to help you complete this packet of review material. You should not work together with other students nor receive extensive help from a tutor. Bring the completed packet with you on the first full day of school. This packet will be checked for completeness. All problems should be done or well attempted. Show work on every problem in the space provided. Write neatly. You will be assessed on the topics presented in this packet at the beginning of the school year. We will review this packet and you will be given an opportunity to ask questions in class in the days prior to the assessment. If you have significant trouble completing this packet you should contact your guidance counselor to reconsider your course placement. If you have not yet learned limits, or need additional review of this topic, please refer to the following instructional videos from KhanAcademy: http://www.khanacademy.org/math/calculus/v/introduction-to-limits http://www.khanacademy.org/math/calculus/v/limit-examples--part-1 http://www.khanacademy.org/math/calculus/v/limit-examples--part-2 http://www.khanacademy.org/math/calculus/v/limit-examples--part3 http://www.khanacademy.org/math/calculus/v/limit-examples-w--brain-malfunction-on-first-prob--part-4 http://www.khanacademy.org/math/calculus/v/more-limits Please contact me with any further questions. (salvesen@wmchs.org) 1. Given: f ( x) x 2 3x 4 , find the following: a) f (1) c) f ( x 2) f ( 2) x 2. Sketch the graph of the equation. 3 y 2 x 1 2 b) f ( x 2) d) f ( x h) f ( x ) ,h 0 h 3. Write an equation of the line that passes through the point (2, 1) and is a) parallel to 4x – 2y = 3 b) perpendicular to 4x – 2y = 3 4. A line is represented by the equation ax + by = 4. a) When is the line parallel to the x-axis? b) When is the line parallel to the y-axis? c) Give values for a and b such that the line has a slope of 5 8 . d) Give values for a and b such that the line is perpendicular to y 2 5 x 3 . e) Give values for a and b such that the line coincides with the graph of 5x + 6y = 8. 1 , g ( x) x 2 1 , and h( x) x 5 . 1 x a) State the domain and range of each function. 5. Let f ( x) b) Find the following and state the domain of each. i. iv. h 1 ( x) f g (x) ii. g x h f g (x) iii. v. g (h( x)) 6. Let g (0) 1 , g (1) 3 , g ( 2) 5 , g (7) 2 , h(1) 7 , h( 2) 1 , h(5) 0 . Evaluate: a) ( g h)( 2) b) g ( g (h(1))) c) h( g (h(5))) d) g 1 (5) e) ( g 1 h 1 )(1) f) (h 1 g 1 )( 3) 7. If F ( x) f g h , identify a set of possible functions for f, g, and h. a) F ( x) 2 x 2 b) F ( x) 4 sin( 1 x) 8. The domain of function f is [-6, 6]. Complete the graph of f given that f is a) even b) odd 9. Algebraically determine whether the functions are even, odd, or neither. x2 x3 x 4 a) g ( x) x 2 x 2 b) h( x) 2 c) g ( x) 2 2x 1 x 4 10. Consider the function f ( x) x 3 2 x 2 x . a) Describe the end behavior of the function. (Consider the leading coefficient test.) b) Find the zeros of the function and their multiplicity. c) Sketch a graph of the function without using your graphing calculator. 11. Write the function without using absolute value signs. (Hint: Make a piece-wise function.) f ( x) x x 2 12. Sketch a possible graph of the situation. a) The speed of an airplane as a function of time during a 5-hour flight. b) The value of a new car as a function of time over a period of 8 years. 13. For the following rational functions, state the equations of the vertical, horizontal, or slant asymptotes. 3x 2x 2 1 2 x 2 11x 15 f ( x ) a) f ( x) 2 b) c) f ( x) x 4 16 2x 3 x 4 14. Let log 10 P x , log 10 Q y , and log 10 P R z . Express log 10 3 QR 15. Solve the equation: log 6 x 1 log 6 ( x 1) 2 in terms of x, y, and z. 16. The mass m kg of a radio-active substance at time t hours is given by m 4e 0.2t . If the mass is reduced to 1.5 kg., how long does it take? 17. The function f is given by f ( x) e x11 8 . Find f 1 ( x) and its domain. 18. Use the given graph of f to sketch the graph of the transformations of f. a) y f (x) b) y f ( x) c) y 2 f ( x) c) y 1 f ( x 3) 2 d) y f ( x 2) 4 19. Use the graph of y = f(x) to match the function with its graph. i) y f ( x 5) ii) y f ( x) 5 iii) y f ( x) 2 iv) y f ( x 4) v) y f ( x 6) 2 vi) y f ( x 1) 3 20. Sketch in standard position and find EXACT values for the 6 trig functions of . 5 a) 495 b) 6 21. Find the values of the other 5 trig functions under the given conditions. 6 sec and tan 0 5 22. Find two degree angles 0 360 sec 2 23. Find two radian angles 0 2 cos 0.4667 24. Verify the given identities. Show ALL steps. 1 1 2 sec 2 a) 1 sin 1 sin b) 2 tan 2 x 2 tan 2 x csc 2 x sin 2 x cos 2 x 3 25. Solve the given equations on the interval 0,2 . Give the answers in radians. a) sin 2 x 3 sin 2 x b) 3 sec 2 x 4 26. Solve the given equations. Find all solutions. Give the answers in radians. a) cot 2 x 3 csc x 3 0 b) 2 cot 2 x 6 0 27. Solve the equation 2 cos 2 ( x) sin( 2 x) for 0 x giving your answers in terms of π. 28. Evaluate each expression. Give the answer in radians. Reminder: The range for inverse trig functions is restricted to the following intervals: , y = arcsinx y = arccosx y = arctanx 0 , , 2 2 2 2 y = arccscx y = arcsecx 0, , y≠ y = arccotx 0, 2 , 2 , y≠0 2 2 3 a) arctan 3 b) arccos1 c) arc csc d) arc cot(1) 3 e) arc sec(1) f) arcsin( 1) g) arc sec( 2) 1 h) arcsin 2 i) arctan( 1) 3 j) arc cot 3 2 k) arccos 2 l) arc csc 2 29. Complete the table of values for each function. Determine if the limit exits based on your table of values. If the limit does exist, give its value. If the limit does not exist, state the reason why. x3 x 1, x 2 a) lim b) lim x 2 2 x 3, x 3 x 3 x2 x f(x) 2.9 2.99 2.999 3.0001 3.001 3.01 x f(x) 1.9 1.99 1.999 2.001 2.01 30. Use the direct substitution method to evaluate the following limits. If the limit does not exist, state the reason why. x x tan x a) lim b) lim c) lim arccos 1 x e ln x x 1 2 2 x 4 31. Sketch a graph and use it to evaluate the limit. If the limit does not exist, state the reason why. x 3 , x 2 x x a) lim b) lim c) lim x4 x 4 x x 4 x 2 5, x2 d) lim x 0 2 x2 e) lim cos x 0 32. If lim f ( x) 2 and lim g ( x) x c x c 1 x f ( x) 2 g ( x) 1 , find lim . x c 2 3 f ( x) f) lim x 2 x 2 2.1 33. Use the cancellation method to evaluate the following limits. 1 1 3 t 8 a) lim b) lim 5 x 5 x 0 t 2 t 2 x 34. Use the rationalization method to evaluate the following limits. x5 3 4 18 x a) lim b) lim x4 x 2 x4 x2 35. Graph the function and evaluate each limit (if it exists). f ( x) a) lim x 1 x 1 x 1 x 2 1, 2 x 3, 36. Let f ( x) b) lim x 1 x 1 c) lim x 1 x 1 x 1 x 1 x 1 x 1 x0 . Find each limit (if it exists). x0 a) lim f ( x) x0 b) lim f ( x) x0 37. Find the following limits at infinity. If the limit does not exist, state the reason why. 4 2x2 6 4x4 a) lim b) lim c) lim x 2 x 3 x x 12 x x 2 1 38. Find the value(s) of x for which f ( x) 2x 6 x2 9 discontinuities as removable or non-removable. is discontinuous and label these