18
QuizMultiple Choice
Unit Test — Cumulative exam
Question 18 • 2025-2026 FBISD - Precalculus B (CR)
Which function is continuous at x = –4?
Answer
A
g (x) = StartFraction x Over (x + 4) squared EndFraction
B
g (x) = StartFraction (x + 8) (x + 4) Over x + 4 EndFraction
C
g (x) = StartLayout enlarged left-brace first row x squared, x less-than negative 4 second row negative 4 x, x greater-than-or-equal-to negative 4 EndLayout
D
g (x) = StartLayout Enlarged left-brace first row x squared minus 4, x less-than negative 4 second row 5 x, x greater-than-or-equal-to negative 4 EndLayout