Math

I am stuck on D and E and could someone tell me if I am on the right track with A-C?
Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation:
a)What does the number 3.03 represent?
b)Find C(2)3.03*2=6.06
c)Find C(9)3.03*9=27.27
d)For the average motorist, name one value for g that would be inappropriate for this function’s purpose. Explain why you chose the number you did.
e)If you were to graph C(g), what would be an appropriate domain? Range? Explain your reasoning.

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1. a is cost per gallon = 3.03

d no negative gallons :)
e domain is values of g, g ≥ 0 in other words no negative gallons
range is values of C, also no negative values

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