Let r be a real number and f(x) = 2x − r if x ≥ r, and f(x)... — Quantitative Ability 2022

Question 984 Quantitative Ability 2022 Medium MCQ +3.00 marks · -1.00 negative

Let r be a real number and f(x) = 2x − r if x ≥ r, and f(x) = r if x < r. Then, the equation f(x) = f(f(x)) holds for all real values of x where

A. x ≠ r B. x ≥ r C. x > r D. x ≤ r

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