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MATH / Suppose we define ℓ(n) as follows: If n is an integer from 0 to 20, inclusive, then ℓ(n) is the number of letters in the English spelling of the number n; otherwise, ℓ(n) is undefi… · Discussion

Discussing Suppose we define ℓ(n) as follows: If n is an integer from 0 to 20, inclusive, then ℓ(n) is the number of letters in the English spelling of the number n; otherwise, ℓ(n) is undefi… · MATH

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