1. Given each equation below, graph it on the grid provided. Label all max. & min. points: Asymptotes: D: R: Asymptotes: D: R: Asymptotes: D: R:
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1 Name: Date: Math 10/11 Enriched: Section 5. Graphing Rational Functions and Applications 1. Given each equation below, graph it on the grid provided. Label all ma. & min. points: a) 4 b) 4 c) 5 d) e) f) 3 3 g) 3 h) 4 i) 3 Copyright All Rights Reserved at Homework Depot 1
2 . Indicate which of the following graphs are rational functions only. If not, indicate what kind of function it is. If it is, indicate the general formula of the function and draw all the asymptotes: a) b) c) d) e) f) g) h) i) j) k) L) m) n) 0) p) 3. Indicate whether if the statement is A) Always True B) Sometimes True C) False i) All polynomial functions are rational functions: ii) All rational functions are polynomial functions: iii) All reciprocal functions are rational functions: iv) Rational functions have more than one asymptotes: Copyright All Rights Reserved at Homework Depot
3 n 4. The average cost A dollars, of printing the school agenda is given by the equation: A, where n n is the number printed. a. Graph the function 0 n 900 b. Determine the average cost when 500 agendas are printed c. Determine the number of agendas are printed when the average cost is $8.00? 5. A packaging company makes boes with sides 16.5cm, and a volume approimately 1050cm 3. The company plans to redesign the boes with a smaller base. The boes must still have a square base and contain the same volume. a. Calculate the height of the bo b. Let centimeters represent the change in the length of the base. Let h centimeters represent the change in height. Write h as a function of c. Graph the function 6. On the way from Vancouver to Seattle, the speed limit is 110km/h. Since the distance between the cities is approimately 30km, a trip between the two cities is about.1hours (Ecluding border wait time). Cars travelling faster can reach their destination within.1 hours. a. Let s represent the change in speed compared with 110km/h. Let t represent the change in time compared with.1hrs. Write t as a function of s b. How much time will you save driving at 15km/h? c. At what speed does it take to save 10min? d. Graph t against s Copyright All Rights Reserved at Homework Depot 3
4 7. Find all the vertical and horizontal asymptotes for each of the following rational functions: a) 1 b) c) 4 d) 6 e) 3 3 f) 6 Copyright All Rights Reserved at Homework Depot 4
5 g) h) What are the vertical asymptote and horizontal asymptote for f? 4 9. Find all the vertical asymptotes for f If h is the number of horizontal, v is the number of 7 3 vertical, and s the number of slant asymptotes, what is the ordered triple hvs,,? 10. Consider the function: f 11. How many vertical asymptotes does f 4 have? Copyright All Rights Reserved at Homework Depot 5
6 The graph of in the cartesian plane has asymptotes 48 Evaluate the value of abc d. a, b, and yc d. 13. How many integers are in the range of the function f ? 14. The function f is defined by: f properties: f 19 19, f 97 97, and unique number that is not in the range of f (AIME) a b where a, b, c, and d are non zero real integers and have the c d d f f for all values of ecept. Find the c 15. Challenge: Let f a b. For how many real values a is there at least one positive value of b for which the domain of f and the range of f are the same set? AMC #5 Copyright All Rights Reserved at Homework Depot 6
Domain: The domain of f is all real numbers except those values for which Q(x) =0.
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