x is a positive integer. Is ((1/2)^x) < 0.25?
1. x > 2
2. ((1/2)^(x - 1)) < 0.5
Pls help regarding the answer
As per me, the answer should be A
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I´m too with D.
(1) is pretty obvious.
(2) For ((1/2)^(x - 1)) < 0.5 to be true, x should be >2.
Since with x=2, ((1/2)^(x - 1))=1/2 and it will start diminishing as x increases, x is AT LEAST 2 to accomplish with ((1/2)^(x - 1)) < 0.5
(1) is pretty obvious.
(2) For ((1/2)^(x - 1)) < 0.5 to be true, x should be >2.
Since with x=2, ((1/2)^(x - 1))=1/2 and it will start diminishing as x increases, x is AT LEAST 2 to accomplish with ((1/2)^(x - 1)) < 0.5
