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misssunshinexxoxo

  • one year ago

Gloria has a lunch account in the school cafeteria. The balance, f(x), in her account can be represented by the function f(x) = –1.50x + 40, where x is the number of meals purchased. Suppose –1.50 changed to –2.75. What does this mean in the context of the problem? Changing –1.50 to –2.75 means her initial balance has decreased. Changing –1.50 to –2.75 means her initial balance has increased. Changing –1.50 to –2.75 means the price per meal has decreased. Changing –1.50 to –2.75 means the price per meal has increased.

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  1. misssunshinexxoxo
    • one year ago
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    @KEYS

  2. dan815
    • one year ago
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    f(x) = –1.50x + 40 x is the number of meals purchased

  3. dan815
    • one year ago
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    when x=0 no meals are purchased so thats the initial balance he has which is 40

  4. dan815
    • one year ago
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    by making it -2.75x, we are subtracting 2.75 for every meal

  5. dan815
    • one year ago
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    Changing –1.50 to –2.75 means the price per meal has increased.

  6. misssunshinexxoxo
    • one year ago
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    ok thank you

  7. dan815
    • one year ago
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    do u understand

  8. misssunshinexxoxo
    • one year ago
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    Absolutely yes; I originally thought t was C. Wording of question threw me off.

  9. dan815
    • one year ago
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    okay great

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