How do you solve and write the following in interval notation: #-3 ≤ (x + 4) / 3 <-1#?
1 Answer
Jun 27, 2018
Explanation:
#"isolate "x+4" in the middle interval by multiplying all"#
#"intervals by 3"#
#-9<=x+4<-3#
#"subtract 4 from each interval"#
#-13<=x<-7" is the solution"#
#[-13,-7)larrcolor(blue)"in interval notation"#
