Question 1148588
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Because a square root is always non-negative, the equation is true as long as (2x-1) is non-negative.<br>
The four largest integer values of (2x-1) that are NOT non-negative are -1, -2, -3, and -4.<br>
The sum of those four values is -10; the average is -10/4 = -2.5.<br>