anonymous
  • anonymous
What are the increasing, decreasing, minimum, and maximum of this equation: (2)/(x^2-2x-3)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
the denominator is (x-3)(x+1) so you can see now that it will change signs at 3 and -1 has no mimimum and no maximum.
anonymous
  • anonymous
oh ok, so what is the increasing and decreasing?
anonymous
  • anonymous
ohh ok, it is increasing till -1, (at -1 it has no value) than decreases till 3 (where it again has no value) and it decreases after that too. There are jumps in this function. try to draw it. I have it in my head now, but it would help.

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anonymous
  • anonymous
ok so tell me if this is right: increasing: (-infinity,-1) decreasing:(infinity,3) minimum:none maximum:none
anonymous
  • anonymous
decreasing (-1, infinity) and at 3 it jumps up from -infinity to +infinity
anonymous
  • anonymous
hold on, im a bit confused so decreasing is: (-1,infinity) what is increasing?
anonymous
  • anonymous
what you wrote increasing: (-infinity,-1)
anonymous
  • anonymous
just think about values of the functions and where it changes signs
anonymous
  • anonymous
ok so tell me if this is right: increasing: (-infinity,-1) decreasing:(-1,infinity)
anonymous
  • anonymous
yep!
anonymous
  • anonymous
is this a homework? :)
anonymous
  • anonymous
im studying for a test
anonymous
  • anonymous
and are you sure that there is no min and max?
anonymous
  • anonymous
yes

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