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What is the difference between a parenthases on a number line and a bracket?
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you mean this: [a,b] and this (a,b) ?
I think so, they are both on a number line and we could not remeber what they meant.
() means up to but not equal;  means up to AND equal to
think of the square bracket as an = sign connected by a line
Thanks! Much appreciated!! That helps alot. God bless<><
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2 hours ago