Question 344452
{{{ x+y <= 4 }}}
{{{highlight(y<=-x+4)}}}
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*[invoke plot_any_inequality "y <= -x+4", -10, 10, -10, 10, 300, 300]
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{{{highlight( y <= x) }}} 
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*[invoke plot_any_inequality "y <= x", -10, 10, -10, 10, 300, 300]
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{{{highlight( x >= 0) }}}
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*[invoke plot_any_inequality "y>=-50000x", -10, 10, -10, 10, 300, 300]
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