If -1 < x < 0, which of the following must be true?
I. x^5 < x^2
II. x^6 < 1 – x
III. x^7 < x^3  Choose the most appropriate option:
A) I,II,III only B) I,II only C) I,III only D) II only E) I only
I,II,III onlynswer : I,II,III only
<result>A</result>
If -1 < x < 0, which of the following must be true?
I. x^5 < x^2
II. x^6 < 1 – x
III. x^7 < x^3