Please type out the answers using text only, no pictures please. Thanks! A gas c

Question

Please type out the answers using text only, no pictures please. Thanks!

A gas company has the following rate schedule for natural gas usage in single-family residences:

                Monthly service charge                  $8.80

                Per therm service charge

                                1st 25 therms                      $0.6686/therm

                                Over 25 therms                  $0.85870/therm

What is the charge for using 25 therms in one month? Show your work.

What is the charge for using 45 therms in one month? Show your work.

Construct a function that gives the monthly charge C for x therms of gas.

Explanation / Answer

Charge ,C=8.80+0.6686x, 0<x<=25

C=8.80+0.85870x,x>25

For 25 therms

x=25

C=8.8+25(0.6686)=25.515

For 45therms

C=8.8+45(0.85870)=47.4415

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