document.write( "Question 125898: What does this expression mean?\r
\n" ); document.write( "\n" ); document.write( "─ ∞ < t < ∞ \n" ); document.write( "

Algebra.Com's Answer #92279 by ilana(307) $\"\"$ $\"About$

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That means t can be any real number. It has no restrictions. \n" ); document.write( "

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