anonymous
  • anonymous
MEDAL AND FAN What is the graph of the function f(x) = the quantity x squared minus 9x plus 20 over the quantity x minus 4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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alekos
  • alekos
so we have f(x) = (x^2-9x+20)/(x-4) is this what we're looking at
anonymous
  • anonymous
yes
alekos
  • alekos
x^2-9x+20 can be factorised any ideas?

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anonymous
  • anonymous
(x-5) (x+4)
alekos
  • alekos
thats close its (x-5)(x-4) so now what happens when we divide this by x-4?
anonymous
  • anonymous
idk cancel
anonymous
  • anonymous
i know that graph will have a hole
alekos
  • alekos
yes the x-4 top an bottom will cancel leaving f(x) = x-5

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