Precalculus: Mathematics for Calculus, 7th Edition

$x\le4$
$Express$ $the$ $interval$ $in$ $terms$ $of$ $inequalities,$ $and$ $then$ $graph$ $the$ $interval:$ $(-\infty, 4]$ We determine that x can be any real number, but less than or equal to 4. Write the interval in inequality form $x\le4$ Graph the interval