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Mathematics, 26.07.2019 15:30 summer5716

Marco solves the equation 4sin(3x) + 0.25 ≤ 2sin(3x) − 0.3 by graphing y = 2sin(3x) and y = −0.55. he then locates the intervals on which 2sin(3x) is less than or equal to −0.55. is marco's solution method valid? explain.

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Marco solves the equation 4sin(3x) + 0.25 ≤ 2sin(3x) − 0.3 by graphing y = 2sin(3x) and y = −0.55. h...

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