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