The value of x in the domain of f(x) = x - 11 for which the value of f(x) is positive is x = 13. Thus, the correct option is A.
The value of x in the domain of f(x) = x - 11, where the value of f(x) should be positive can be found by using the inequality as given below.
f(x) = x - 11 >0
x - 11 > 0
x > 11
Thus, the value of x should be greater than 11 for f(x) to be positive.
Hence, The value of x in the domain of f(x) = x - 11 for which the value of f(x) is positive is x = 13. Thus, the correct option is A.
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