Question: The most efficient function in terms of time and space complexity is Function A . Explanation:Function A only iterates from 2 to the square root

The most efficient function in terms of time and space complexity is Function A.Explanation:Function A only iterates from 2 to the square root of n, which reduces the number of iterations compared to Function B and Function C.Function A does not generate an array of numbers or remove elements from the array, which saves memory compared to Function B.Function C iterates from 1 to n, which is unnecessary and increases the time complexity compared to Function A.Therefore, Function A is the most efficient function while still being a valid implementation.

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