For the function f(x) = 2cos(3π(-1((1(-5x^2 - 5x + 4) - 3)/(-1(-5x^2 - 5x + 4) - 1)) - 4) - 3) - 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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