For the function f(x) = (-1(-2cos(3π(2x + 3) + 2) - 1))/(-1(-2cos(3π(2x + 3) + 2) - 1) + 2), find the number of maximal connected intervals in [-10, 10] where f'(x) > 0.

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