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kenialove

  • one year ago

The relation that is represented by the equation y = 45 - 3x has the domain { 5,7,9,11 } . Which of the following sets is the range of the relation ?

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  1. Saurabh135
    • one year ago
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    { 30, 24, 18, 12}

  2. kenialove
    • one year ago
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    How is that the answer thou ?

  3. zzr0ck3r
    • one year ago
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    put in 5, get out 30 put in 7, get out 24 put in 9, get out...

  4. kenialove
    • one year ago
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    I still don't understand .. Wat do u mean put in and get out ?

  5. Vocaloid
    • one year ago
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    the domain {5,7,9,11} tells you what x-values to use and the equation y = 45-3x tells you what y values to get when we "put in" x = 5, we get "y=30" as our answer, so 30 becomes part of the range keep going for all the x-values

  6. anonymous
    • one year ago
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    |dw:1440184441315:dw|

  7. anonymous
    • one year ago
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    they put these silly pictures of "function machines" in modern textbooks, thought i would try my hand at one

  8. kenialove
    • one year ago
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    But how does 5 give u 30 and 7 give u 24 and 9 give u 18 and 11 give u 12 ?

  9. Vocaloid
    • one year ago
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    let's "put in" x = 5 x = 5 y = 45 - 3x = ?

  10. kenialove
    • one year ago
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    Oohhhhh I get it thanks so much .. so it's like this 45 - 3x = y 45 - 3(5) = y 45 - 15 = 30

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