Answer: f(X) + g(X) = x -1
f(X) - g(x) = 5x - 7
f(x) + g(X) = 3x - 4 + -2x + 3 = x - 1
f(x) - g(X) = 3x - 4 - (-2x + 3) = 3x - 4 + 2x - 3 = 5x - 7
Explanation:
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