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anonymous

  • one year ago

Can someone help me out with this quick problem. I know that f(x) is 1/2 - actually i'm not even sure so I don't even know where to begin on this one. Here is the image: http://i.imgur.com/MZ0agRD.png

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  1. anonymous
    • one year ago
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    I feel like it would be either the first or the second option because of the 1

  2. triciaal
    • one year ago
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    the domain is the set of x values

  3. anonymous
    • one year ago
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    So -3 and 1?

  4. triciaal
    • one year ago
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    open circle does not include the end point closed circle/ shaded includes the end point

  5. anonymous
    • one year ago
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    So the x values (domain) would include: -3, -1, 1 etc.?

  6. triciaal
    • one year ago
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    domain all the values of x that will produce a y value

  7. triciaal
    • one year ago
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    yes

  8. triciaal
    • one year ago
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    open does not include

  9. anonymous
    • one year ago
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    I'm really confused now. Because the circle is open, do I disregard that -3 then?

  10. triciaal
    • one year ago
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    -3 will be the end point open does not include therefore the x is greater than -3

  11. anonymous
    • one year ago
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    So because its open, X always will be greater and not greater than or equal to?

  12. triciaal
    • one year ago
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    correct

  13. anonymous
    • one year ago
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    Yay! Alright thank you and have a good night (:

  14. anonymous
    • one year ago
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    Wait a sec

  15. anonymous
    • one year ago
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    If the circle on -3 was closed would that mean that X would equal less than -3?

  16. anonymous
    • one year ago
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    Or less than or equal to

  17. triciaal
    • one year ago
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    by the same principle you would include 1 because shaded

  18. anonymous
    • one year ago
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    So less than or equal to? Right?

  19. triciaal
    • one year ago
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    |dw:1436677169210:dw|

  20. anonymous
    • one year ago
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    Tat clears everything up now!

  21. triciaal
    • one year ago
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    |dw:1436677239034:dw|

  22. triciaal
    • one year ago
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    you are welcome

  23. anonymous
    • one year ago
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    Alright. Thank you :)

  24. triciaal
    • one year ago
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    closed eyes include sleep. goodnight

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spraguer (Moderator)
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