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ineedhelp10

  • one year ago

HELP IN CALCULUS

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  1. ineedhelp10
    • one year ago
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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

  2. ineedhelp10
    • one year ago
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    @IrishBoy123 do you understand it?

  3. IrishBoy123
    • one year ago
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    |dw:1442259895823:dw| 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 http://www.mathsisfun.com/sets/functions-piecewise.html then come back and ask more if you need to

  4. ineedhelp10
    • one year ago
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    how come the second one doesn't have anything next to the 2.5g?

  5. IrishBoy123
    • one year ago
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    mmmm!! 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. :p

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