Allied & ICAR Exam Bank • ALLIED_1564 MCQ • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The domain of the real-valued function $f(x) = \sqrt{9 - x^2}$ is:

Options:

  • (A) $[-3, 3]$
  • (B) $(-3, 3)$
  • (C) $[0, 3]$
  • (D) $(-\infty, 3]$

Answer Key:

A

Step-by-Step Solution & Explanation

Require $9 - x^2 \ge 0 \implies x^2 \le 9 \implies -3 \le x \le 3$.
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