-8
-6
-4
-3
Correct answer is C
\(f : x \to x^{2} - x - 6\); \(g : x \to x - 1\)
\(g(3) = 3 - 1 = 2\)
\(f(g(3)) = f(2) = 2^{2} - 2 - 6 = 4 - 2 - 6 = -4\)
Differentiate \(\frac{x}{x + 1}\) with respect to x...
Rationalize; \(\frac{1}{\sqrt{2 + 1}}\)...
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