Determine the number of maximal connected intervals in [-10, 10] where the function f(x) = (1(2cos(2π(2x^2 + 1x - 4) + 1) - 1))/(2(2cos(2π(2x^2 + 1x - 4) + 1) - 1) + 1) is strictly decreasing.

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