AP EAMCET · Maths · Functions
If \(\mathrm{f}(\mathrm{x})=(\mathrm{x}+1)^2-1, \mathrm{x} \geq-1\), then \(\left\{\mathrm{x} \mid \mathrm{f}(\mathrm{x})=\mathrm{f}^{-1}(\mathrm{x})\right\}\) is
- A \(\{0,-1\}\)
- B \(\{-1,0,1\}\)
- C \(\left\{-1,0, \frac{-3+\sqrt{3} \mathrm{i}}{2}, \frac{-3-\sqrt{3} \mathrm{i}}{2}\right\}\)
- D an empty set
Answer & Solution
Correct Answer
(A) \(\{0,-1\}\)
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