In Problems 33-36, the graph ofa piecewise-defined functioni 1s g A Y 35. 33. 34. A Y 20 A Y 2 2 (-1,1) (2, 1) (2, 1) (-1, 1) X X -2 (0, 0) (0, 0) (0, 0) 2 -2 2 -2 (-1,-1) Monthly serv 37. Cell Phone Service Sprint PCS offers a monthly cellular phone plan for $39.99. It includes 350 anytime minutes plus $0.25 per minute for additional minutes. The following func- tion is used to compute the monthly cost for a subscriber Per therm ser 1st 50 ther Over 50 th 39.99 0.25x 47.51 if 0 < x350 if x > 350 Gas charge C(x) where x is the number of anytime minutes used. Compute the monthly cost of the cellular phone for the following any- (a) What is (b) What is (c) Constru time minutes: for x the (a) 200 (b) 365 (c) 351 (d) Graph t Source: Sprint PCS. Source: The Pe 38. First-class Letter According to the U.S. Postal Service, first- class mail is used for personal and business correspondence. Any mailable item may be sent as first-class mail. It includes postcards, letters, large envelopes, and small packages. The 40. Cost of Nat lowing rate maximum weight is 13

In Problems 33-36, the graph ofa piecewise-defined functioni 1s g A Y 35. 33. 34. A Y 20 A Y 2 2 (-1,1) (2, 1) (2, 1) (-1, 1) X X -2 (0, 0) (0, 0) (0, 0) 2 -2 2 -2 (-1,-1) Monthly serv 37. Cell Phone Service Sprint PCS offers a monthly cellular phone plan for $39.99. It includes 350 anytime minutes plus $0.25 per minute for additional minutes. The following func- tion is used to compute the monthly cost for a subscriber Per therm ser 1st 50 ther Over 50 th 39.99 0.25x 47.51 if 0 < x350 if x > 350 Gas charge C(x) where x is the number of anytime minutes used. Compute the monthly cost of the cellular phone for the following any- (a) What is (b) What is (c) Constru time minutes: for x the (a) 200 (b) 365 (c) 351 (d) Graph t Source: Sprint PCS. Source: The Pe 38. First-class Letter According to the U.S. Postal Service, first- class mail is used for personal and business correspondence. Any mailable item may be sent as first-class mail. It includes postcards, letters, large envelopes, and small packages. The 40. Cost of Nat lowing rate maximum weight is 13

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter2: Functions

Section: Chapter Questions

Problem 30P: In this problem you are asked to find a function that models in real life situation and then use the...

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