Which of the following describes all values of x for which 1–x^2 >0?  Pick one:
A) x >= 1
B) x <= –1
C) 0 <= x <= 1
D) x <= –1 or x >= 1
E) –1 < x < 1
Which of the following describes all values of x for which 1–x^2 &gt;= 0?   (A) x &gt;= 1   Plugged in 2. 1–(2)^2 &gt;= 0 -3&gt;=0? NO. Wrong   (B) x &lt;= –1   Plugged in -2. 1–(-2)^2 &gt;= 0 -3&gt;=0? NO. Wrong   (C) 0 &lt;= x &lt;= 1   Plugged in 0, 1, and 1/2. All of them work. But E is better because it describes all the values of x   (D) x &lt;= –1 or x &gt;= 1   A and B answer this. Wrong.   (E) –1 &lt; x &lt; 1   X is a positive or negative fraction.   x = -1/2 x = 1/2 x = 0   Plug all of them. They work.   Answer is –1 &lt; x &lt; 1.
<result>E</result>
Which of the following describes all values of x for which 1–x^2 >0?