Question

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.

Answer 1

C(g) = 2.19g

Answer 2

I think this is correct.

Answer 3

:P! :D! :3!