In March 2014, a gas company had the rate schedule shown to the right for natural gas usage in single-family residences. (a) What is the charge for using 30 therms in a month? (b) What is the charge for using 200 therms in a month? (c) Develop a function that models the monthly charge C for x therms of gas. (d) Graph the function found in part (c). Monthly service charge Delivery charge First 40 therms $20.45 $0.96902/therm so Over 40 therms Natural gas cost First 40 therms $0.3495/therm Over 40 therms $0.5936/therm (a) The charge for using 30 therms in a month is $ (Simplify your answer. Round to the nearest cent.) (b) The charge for using 200 therms in a month is $. (Simplify your answer. Round to the nearest cent.) O if osxsO O ifx>O (c) C(x) = (Simplify your answers.) (d) Choose the correct graph below. O A. OB. Oc. OD. 300- 300- 300- 300- 150- 150- 150- 150- of O 200 400 Usage (therms) 0- o 200 40 E O 200 400 Usage (therms) O 200 400 C Usage (therms) Usage (therms) arge (dollars) O

In March 2014, a gas company had the rate schedule shown to the right for natural gas usage in single-family residences. (a) What is the charge for using 30 therms in a month? (b) What is the charge for using 200 therms in a month? (c) Develop a function that models the monthly charge C for x therms of gas. (d) Graph the function found in part (c). Monthly service charge Delivery charge First 40 therms $20.45 $0.96902/therm so Over 40 therms Natural gas cost First 40 therms $0.3495/therm Over 40 therms $0.5936/therm (a) The charge for using 30 therms in a month is $ (Simplify your answer. Round to the nearest cent.) (b) The charge for using 200 therms in a month is $. (Simplify your answer. Round to the nearest cent.) O if osxsO O ifx>O (c) C(x) = (Simplify your answers.) (d) Choose the correct graph below. O A. OB. Oc. OD. 300- 300- 300- 300- 150- 150- 150- 150- of O 200 400 Usage (therms) 0- o 200 40 E O 200 400 Usage (therms) O 200 400 C Usage (therms) Usage (therms) arge (dollars) O

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

ChapterA: Appendix: Review Topics

SectionA.3: Introduction To Functions

Problem 29PS: Suppose you have a job that pays $8.50 per hour and you work anywhere from 10 to 40 hours per week....

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