Respuesta :

sqdancefan
A graph shows the percentage is less than 3% before t=0.437 and after t=22.897.

In Set Notation, this might be written as
  {x | (x ≤ 0) ∪ (x ≥ 23)}

In Interval Notation, this might be written as
  (-∞, 0] ∪ [23, ∞)