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help_people

  • one year ago

The first-, second-, and third-year enrollment values for a technical school are shown in the table below. Enrollment at a Technical School Year (x) First Year f(x) Second Year s(x) Third Year t(x) 2009 785 756 756 2010 740 785 740 2011 690 710 781 2012 732 732 710 2013 781 755 800 Which of the following statements is true based on the data in the table? The solution to f(x) = s(x) is x = 2,012. The solution to f(x) = s(x) is x = 732. The solution to s(x) = t(x) is x = 2,011. The solution to s(x) = t(x) is x = 710.

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  1. help_people
    • one year ago
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    A graph of 2 functions is shown below. graph of function f of x equals 2 multiplied by x plus 1 and graph of function g of x equals x cubed plus 2 multiplied by x squared minus x minus 2 Which of the following is an approximate solution for f(x) = g(x)? x = −2 x = 0 x = −1 x = 1

  2. help_people
    • one year ago
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    @welshfella

  3. welshfella
    • one year ago
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    for the 2nd question i can't be sure how to write it Have you got a picture of the question?

  4. help_people
    • one year ago
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    yes :) (a graph ) hold on a sec let me get it

  5. help_people
    • one year ago
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  6. welshfella
    • one year ago
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    look at the graph The solution to f(x) = g(x) are where the graph intersect each other There is one of them which is equal to one of the options. Can you pick it out? Look at the 3 intersections and note the values of x.

  7. help_people
    • one year ago
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    they intersect at -1 on the x axis?

  8. help_people
    • one year ago
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    the graph not they

  9. welshfella
    • one year ago
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    yes that's right x = -1 is the answer

  10. help_people
    • one year ago
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    it also intersects betweenn -5.5 and -2.75 and 5.5 and 2.75 @welshfella

  11. welshfella
    • one year ago
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    its not exactly at x = -1 but very close . The question only asked for an approximate value.

  12. help_people
    • one year ago
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    ok :)

  13. welshfella
    • one year ago
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    yes but x=-1 is the only one that's in the choices.

  14. help_people
    • one year ago
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    ok perfect! could we do the other question now?

  15. welshfella
    • one year ago
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    I don't understand it. It talks about functions but gives no details.

  16. help_people
    • one year ago
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    it asks what is true about the data ?

  17. help_people
    • one year ago
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    in the table are you sure you cannot help ?

  18. welshfella
    • one year ago
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    the only thing I can see is for year 2012 f(x) = s(x) ( both are = to 732) so A

  19. welshfella
    • one year ago
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    yea thats what it is.

  20. help_people
    • one year ago
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    ok i have 2 more and i did them i just want to make sure they are correct?

  21. welshfella
    • one year ago
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    sorry I have to go now

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