Evaluating and Solving an Equation Application
Identify the information given to you in the application problem below. Use that information to answer the questions that follow.

Round your answers to two decimal places as needed.
The cost to fill your motor home's propane tank is determined by the function C(g)=4.58g\displaystyle {C}{\left({g}\right)}={4.58}{g} where C(g)\displaystyle {C}{\left({g}\right)} is the output (cost in $) and g\displaystyle {g} is the input (gallons of gas). The propane tank can hold a maximum of 21 gallons
  1. Calculate C(5)\displaystyle {C}{\left({5}\right)}:         C(5)=\displaystyle {C}{\left({5}\right)}=

  2. Write your answer as an Ordered Pair:    

  3. Complete the following sentence to explain the meaning of #1 and #2:

    The cost to purchase gallons of propane is dollars
  1. Find g\displaystyle {g} when C(g)=45.8\displaystyle {C}{\left({g}\right)}={45.8}:         g=\displaystyle {g}=

  2. Write your answer as an ordered pair:     

  3. Complete the following sentence to explain the meaning of #1 and #2:

    If the cost to purchase propane was dollars, then the number of gallons purchased was

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