Posted by **Mr.Brain** on Monday, April 22, 2013 at 10:51am.

A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g.

C(g) = –2.19g

g = 2.19C(g)

C(g) = g + 2.19

C(g) = 2.19g

Please tell me the explination and the answer.

- Math help -
**Steve**, Monday, April 22, 2013 at 2:23pm
C(g) = 2.19g

- Math help -
**Ms. Sue**, Tuesday, May 17, 2016 at 3:26pm
I think this is correct.

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