Asked by Sabrina C.

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.
A. C(g)=-2.19g
B. g=2.19C(g)
C. C(g)=g+2.19
D. C(g)=2.19g
C?
Thanks
Answered by Steve
nope. C is what you get if there's a flat fee of 2.19 and each gallon costs 1 more.
Answered by Sabrina C.
I didn't know if it was C or D. Is the answer D?
Thank you for your help Steve. It is greatly appreciated.
Answered by Steve
D is indeed correct.
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