CAT 2018 Slot 2 QA Q30 Functions & Graphs

Question 30 of the Quantitative Ability (QA) section, CAT 2018 Slot 2, with CAT's official answer.

Let f(x)=max{5x, 52 - 2x2}, where x is any positive real number.Then the minimum possible value of f(x) is (TITA)

TITA: type in the answer. There are no options and no negative marking.

Answer: 20 Functions & Graphs TITA

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