How do you solve and write the following in interval notation: #x <= -7#?
1 Answer
May 7, 2017
Explanation:
#"the inequality is already solved"#
#"that is " x<=-7" is the solution"#
#"this means that x can take values less than or equal to - 7"#
#"in interval notation this is expressed"#
#(-oo,-7]#
#"the parenthesis on the left indicates x cannot take this value"#
#"the 'square bracket' on the right indicates x can"#
#"take the value of - 7"#
