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anonymous

  • one year ago

FAN AND MEDAL i DONT WANT ANSWER I NEED HELP The function f(x) = 0.11x + 43 relates how much Derek pays for phone service, f(x), to the number of minutes, x, used for international calls in a month. What is the value and meaning of f(320)?

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  1. marihelenh
    • one year ago
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    If they give you f(320), you just plug in 320 into the equation where x is.

  2. anonymous
    • one year ago
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    So @marihelenh f(320)=0.11*320+43

  3. anonymous
    • one year ago
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    Also here are the answer $78.20; this is the amount Derek pays for 320 months of service $78.20; this is the amount Derek pays for 320 minutes of international calls $92.50; this is the amount Derek pays for 320 months of service $92.50; this is the amount Derek pays for 320 minutes of international calls

  4. marihelenh
    • one year ago
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    That is how you would set it up.

  5. anonymous
    • one year ago
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    so 78.2 this is the amount derek pays for 320 months of service @marihelenh

  6. marihelenh
    • one year ago
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    320 is equal to the number of minutes Derek uses in a month. 320 isn't the months, it is the minutes.

  7. anonymous
    • one year ago
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    so its B

  8. anonymous
    • one year ago
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    @marihelenh

  9. marihelenh
    • one year ago
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    Yep! That is correct.

  10. anonymous
    • one year ago
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    Thx so much you helped me so much :)

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