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If f(x) = 5(4x2-1) . Which of the following are true / False ?

i. The domain of f(x) is |x| ≥ 1/2

ii. The range of f(x) is y  ≥ 1 

iii. The graph of f(x) is symmetric about the y-axis. 

iv. The graph of f(x) never decreases





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Correct Option:- (C) TTTF

Explanation :-

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