help_people
  • help_people
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.
Mathematics
jamiebookeater
  • jamiebookeater
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help_people
  • help_people
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
help_people
  • help_people
welshfella
  • welshfella
for the 2nd question i can't be sure how to write it Have you got a picture of the question?

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help_people
  • help_people
yes :) (a graph ) hold on a sec let me get it
help_people
  • help_people
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welshfella
  • welshfella
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.
help_people
  • help_people
they intersect at -1 on the x axis?
help_people
  • help_people
the graph not they
welshfella
  • welshfella
yes that's right x = -1 is the answer
help_people
  • help_people
it also intersects betweenn -5.5 and -2.75 and 5.5 and 2.75 @welshfella
welshfella
  • welshfella
its not exactly at x = -1 but very close . The question only asked for an approximate value.
help_people
  • help_people
ok :)
welshfella
  • welshfella
yes but x=-1 is the only one that's in the choices.
help_people
  • help_people
ok perfect! could we do the other question now?
welshfella
  • welshfella
I don't understand it. It talks about functions but gives no details.
help_people
  • help_people
it asks what is true about the data ?
help_people
  • help_people
in the table are you sure you cannot help ?
welshfella
  • welshfella
the only thing I can see is for year 2012 f(x) = s(x) ( both are = to 732) so A
welshfella
  • welshfella
yea thats what it is.
help_people
  • help_people
ok i have 2 more and i did them i just want to make sure they are correct?
welshfella
  • welshfella
sorry I have to go now

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