Level:
Project ID:
1003187104
Accepted:
1
Clonable:
0
Easy:
0
Let \( a \) be a positive real number. Then \( |x| \leq a \)
if and only if \( -a \leq x \leq a \).
if and only if \( x \leq a \).
if and only if \( x \geq -a \).
if and only if \( x < 0 \).