How much revenue does the company get from a customer who uses exactly 30 therms of gas in a month? Find the rule of the function R(x) that gives the company’s monthly revenue from one customer, where x is the number of therms of gas used. (Hint: R(x) is a piecewise-defined function that has a two-part rule, one part for x < 30 and the other for x > 30.)

How much revenue does the company get from a customer who uses exactly 30 therms of gas in a month? Find the rule of the function R(x) that gives the company’s monthly revenue from one customer, where x is the number of therms of gas used. (Hint: R(x) is a piecewise-defined function that has a two-part rule, one part for x < 30 and the other for x > 30.)

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

The Lacledge Gas Company in St. Louis, Missouri in the winter
of 2012–2013 charged customers $21.32 per month plus
$1.19071 per therm for the first 30 therms of gas used and
$.57903 for each therm above 30.
(a) How much revenue does the company get from a customer
who uses exactly 30 therms of gas in a month?
(b) Find the rule of the function R(x) that gives the company's
monthly revenue from one customer, where x is the number
of therms of gas used. (Hint: R(x) is a piecewise-defined
function that has a two-part rule, one part for x < 30 and
the other for x > 30.)

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