Question: The sound produced by touching each button on a touch-tone phone is described by the equation below, where l and h are the low and

The sound produced by touching each button on a touch-tone phone is described by the equation below, where l and h are the low and high frequencies in the figure shown. The touch-tone phone sequence for Mary Had A Little Lamb is 3212333, 222, 399, 3212333322321. Many numbers do not appear in this sequence, including 6 You accidentally touch 6 for one of the notes.

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