On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = -1((1(1|(2x + 3) - 1| + 1) + 1)/(2(1|(2x + 3) - 1| + 1) - 3))^2 - 3((1(1|(2x + 3) - 1| + 1) + 1)/(2(1|(2x + 3) - 1| + 1) - 3)) - 2 positive?

Present the answer in LaTex format: \boxed{Your answer}
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