Cousin Throckmorton has gone into hiding to escape online publicity He has taken a room in a downtown hotel under the alias C

Question

Cousin Throckmorton has gone into hiding to escape online publicity He has taken a room in a downtown hotel under the alias C and nervously reveals the room number to trusted family members only by telephoning them and playing a secret tone whose waveform reveals the curve y f x shown below Only you know that CT s room number is the 4 digit sequence b b b3b4 in which each digit b satisfies f x sin kx da k 1 2 3 4 Use the given information to find CT He is counting on you bk

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