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

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