document.write( "Question 650748: \" x is less than or equal to -3\" is equivalent to [-3,oo]? \n" ); document.write( "

Algebra.Com's Answer #407398 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "Note: Interval Notation
\n" );
document.write( "• [ ] a square bracket includes end value listed, 
\n" );
document.write( "• ( ) a round bracket does not  Note: round bracket is used for ∞ or −∞
\n" );
document.write( "\"x  ≤ -3 is equivalent to [-3,oo)? NO
\n" );
document.write( "\"x  ≤ -3 is equivalent to (−∞,-3]  \n" );
document.write( "

\n" );