A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship

Question

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

Answer 1

The correct equation is: C(g) = 2.19g, where C(g) represents the total cost and g represents the number of gallons purchased.