Question

{x-1}<2 how do u describe that open or closed circle an what the arrows would point to
EX: open circle at -1 arrow to left , open circle at 4 , arrow to the right

Answer 1

an open circle means that it is Not equal to and a closed circle means that it is less than or equal to: greater than or equal to.

Answer 2

i have 4 choices
1.open circle at -1 ,arrow to the left ,open circle at 1 arrow the right
2. open circle at -7 and -5 , and shaded between
3.closed dot on -7 arrow to the left , closed dot at -5 arrow to the right
4 is the example