Pre-Calculus Solutions

Step-by-step solutions with Learning Insights, Quick Tips, and Common Mistakes.

Determine the open intervals on which the function is increasing, decreasing, or constant. f(x) = sqrt(x^2 - 9)

Answer: Decreasing on $(-\infty, -3)$; Increasing on $(3, \infty)$;

Sep 4, 2026

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