On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = 2((-2(-3x - 5) - 3)/(-3(-3x - 5) + 1))^2 - 2((-2(-3x - 5) - 3)/(-3(-3x - 5) + 1)) + 2 positive?

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