On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = -5(-3|((1(1cos(3πx - 3) - 3) - 1)/(-1(1cos(3πx - 3) - 3) - 1)) - 2| + 3)^2 + 5(-3|((1(1cos(3πx - 3) - 3) - 1)/(-1(1cos(3πx - 3) - 3) - 1)) - 2| + 3) - 4 negative?

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