CSEC Additional Mathematics · 2018 · Paper 1 · Question Q10

If f(x) = \frac{4x + 1}{x - 2}, x \ne 2, x \in \mathbb{R}, then ff(x) =

1. (A)\frac{2x - 1}{-3 - x}, x \ne -3, x \in \mathbb{R}
2. (B)\frac{2x - 1}{5 - x}, x \ne 5, x \in \mathbb{R}
3. (C)\left(\frac{x + 2}{x - 2}\right)^2, x \ne 2, x \in \mathbb{R}
4. (D)\frac{2x - 1}{3x + 5}, x \ne -\frac{5}{3}, x \in \mathbb{R}