rval-notation-correctly-expresses-the-allowed-ages-consider-ages-as-real-numbers

Question

A theater allows patrons who are either teens (ages from 13 inclusive up to, but not including, 18) or seniors (ages 65 and older). Which interval notation correctly expresses the allowed ages? (Consider ages as real numbers.)

Accepted Answer

[13,18)∪[65,∞)[13, 18) ∪ [65, ∞)

Answer

[13,18)∩[65,∞)[13, 18) ∩ [65, ∞)

Answer

(13,18)∪(65,∞)(13, 18) ∪ (65, ∞)

Answer

[13, 18] ∪ [65, ∞)