Essay
Solve the problem.
-A gas company has the following rate schedule for natural gas usage in single-family residences:
What is the charge for using 25 therms in one month? What is the charge for using 45 therms in one month? Construct a function that gives the monthly charge C for x therms of gas.
Correct Answer:

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$25.52 $42.69 \[C ( x ) = \lef ...View Answer
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