Question 9 - Math: Calculator Practice Test for the SAT Exam

\(f(x) = 2x^2 - 3x + 9\) and \(g(x) = -4x\)

What is the value of \(f(g(x)) - g(f(x))\)?

\[5(8x^2 +9)\]
\[5(9x^2 + 8)\]
\[40x^2 + 24x + 45\]
\[45x^2 + 40\]

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