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