CSEC Additional Mathematics · May/June 2017 · Paper 1 · Question Q11
If f^{-1} : x \to x^2 - 1, x \ge 0, then
- (A)
f : x \to 1 - x^2, x \in \mathbb{R} - (B)
f : x \to \sqrt{x+1}, x \ge -1 - (C)
f : x \to \sqrt{x-1}, x \ge 1 - (D)
f : x \to \frac{2}{x^2 - 1}, x \ne \pm 1
The answer is shown once you've answered.
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