BandNerd5503 BandNerd5503
  • 24-09-2018
  • Mathematics
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A number minus 1 is at most 9, or two times the number is at least 24

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tramserran
tramserran tramserran
  • 24-09-2018

x - 1 ≤ 9           or         2x ≥ 24

 +1   +1                        [tex]\frac{2x}{2}[/tex]    [tex]\frac{24}{2}[/tex]

  x ≤  10           or          x ≥ 12

Graph: <----------------10      12 ---------------->

Interval Notation: (-∞, 10] U [12, ∞)

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