Write $x < - 5$ Or $x > 4$ Using Set Notation and the Union or Intersection Symbol

Multiple Choice

Write $x < - 5$ or $x > 4$ using set notation and the union or intersection symbol.

A) $\{ x \mid x < 4 \} \cup \{ x \mid x > - 5 \}$
B) $\{ x \mid x < - 5 \} \cup \{ x \mid x < 4 \}$
C) $\{ x \mid x < - 5 \} \cup \{ x \mid x > 4 \}$
D) $\{ x \mid x \leq - 5 \} \cup \{ x \mid x > 4 \}$
E) $\{ x \mid x < - 5 \} \cap \{ x \mid x > 4 \}$