Problem #1: The Doyle Log Rule is one of several methods used to estimate the lumber yield of a log (in board-feet), in terms of log's diameter d, in inches, and the log's length L, in feet. The formula used is given by the multivariable function: 2 L) = ( d = 4 ) ²³ ₁ L N(d, L) = A lumberjack has a long that is 12 feet long and has a diameter of 22 inches. Estimate the lumber yield of this log and provide correct units on your final answer.

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