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Let the functions f:R→R and be defined as f(x)=x^2. Then f^−1(−9) = will be?

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Let the functions f:R→R and be defined as f(x)=x^2. Then f^−1(−9) = will be? Answer: Ø

Since 𝑓(𝑥)=𝑥2 never produces negative values, the inverse image of -9 is the empty set.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.