anonymous
  • anonymous
What is the discontinuity of the function f(x) = the quantity of x squared minus 3 x minus 28, all over x plus 4?
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
@alekos @Aureyliant @AeroSmith @LegendarySadist
alekos
  • alekos
x+4 happens to be a factor of the numerator

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alekos
  • alekos
is that what you're after?
campbell_st
  • campbell_st
looking at the denominator the discontinuity is that value that makes x + 4 = 0 then given you can factor out the discontinuity, it means its a point of discontinuity and not a vertical asymptote...
campbell_st
  • campbell_st
by factoring I mean \[\frac{x^2 - 3x -28}{x + 4} = \frac{(x +4)(x -7)}{(x + 4)}\]

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