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anonymous

  • one year ago

please help with this question!!!! The cost to mail a package is $5 for the first 2 pounds and 40 cents for each additional ounce. Which of the following functions represents the cost to mail a package if x is the number of ounces over 2 pounds f(x) = 0.4(x + 2) f(x) = 10 + 0.4x f(x) = 5 + 0.4x

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  1. TrojanPoem
    • one year ago
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    f(x) = 10 + 0.4x

  2. anonymous
    • one year ago
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    f(x) = 10 + 0.4x

  3. anonymous
    • one year ago
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    thank you ! so much so b correct

  4. anonymous
    • one year ago
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    dosnt that cross 30,10 on the gragh

  5. TrojanPoem
    • one year ago
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    The cost = number of items * price We must make all the costs the same dollars or cents I have chosen dollars so 5 dollars , 40 cents / 100 = 0.4 dollar now we don't know the number of additional say they are x so f(X) = number * price ( known) + number * price ( not known) = 5 * 2 + 0.4 * x

  6. anonymous
    • one year ago
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    f(x)=10+0.4x

  7. TrojanPoem
    • one year ago
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    Yeah, but you must understand. How They got it. Or you won't solve any different one.

  8. anonymous
    • one year ago
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    i got it ! thanks for the help !

  9. triciaal
    • one year ago
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    it should be option C

  10. triciaal
    • one year ago
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    $5 for the first 2 pounds

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