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I don't know what the "5-1" is saying, but that doesn't matter. Since 'x' and 'y' appear to the first power, this is a linear equation. Its graph is a straight line, which doesn't 'open'.
The question contains an expression, not an equation. An expression does not have a graph. Furthermore, even if it were an equation, its form suggests that it would be a linear equation and a linear equation does not open in any direction.
It is not possible to answer the question because there is no equation - only an expression.
open dot means < or > but not equal to.
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Easy, just use your word processor. There should be a option for a graph, if not then get Open Office. http://www.openoffice.org/