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Erin buys gas at a self service station for $2.75 a gallon. The gas station has a promotion going on that anyone who buys more than 10 gallons of gas, only has to pay $2.50 per gallon. Erin's tank will hold 12 gallons of gas.
a) Write a rule for the total cost, C(g), as a function of g gallons of gas.
b)Graph the piecewise function
c)What is the domain and range of the function in part a
@IrishBoy123 do you understand it?
here's a head start....
but be careful. you're going to need to get your notation hat on, mathematical notation is not my forte(!!)
tidy up my clue with this
then come back and ask more if you need to
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how come the second one doesn't have anything next to the 2.5g?
as i said , math notation is not my forte
follow that website i linked -- and post what you think it should be. then we can take it forward
all i'm saying is that the first bit comes with a condition that g<= 10, the second doesn't, but i suppose you could say g > 10 for the second bit.