\(2(x^{2} - 1)\)
\(2x^{2} + 4x - 1\)
\(2x^{2} + 6x - 1\)
\(3(x^{2} - 1)\)
Correct answer is A
\(f(x) = 2x^{2} - 3; g(x) = x + 1\)
\(g o f(x) = g (2x^{2} - 3)\)
= \( 2x^{2} - 3 + 1 = 2x^{2} - 2 = 2(x^{2} - 1)\)
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