If n > 0 , which of the following must be true?
I 2n - 1 > 0
II n - n^2 < 0
III n^2 > 1	Pick one.
A) I only B) II only C) none D) I and II only E) III only
I. True for all values of n except 1   When n = 1 ; n^2 = 1   II. True for all values of n except 1   When n = 1 ; n - n^2 = 1 - 1= 
<gadget id="calculator">1 - 1</gadget>
<output>0</output>
&gt;0   III	True for all values of n   Hence the correct answer will be (none)
<result>C</result>
If n > 0 , which of the following must be true?
I 2n - 1 > 0
II n - n^2 < 0
III n^2 > 1