Question

Which of the following describes the graph of {x | x ≤ 1} {x | x ≥ 4}?
closed circles on 1 and 4 with a line segment between
closed circles on 1 and 4 with arrows pointing outward
the entire number line
no solution

Answer 1

What do you think it's the correct one? Remember, the numbers between 1 and 4 aren't included.

Answer 2

its U

Answer 3

Still, we are including the numbers <=1 and >=4. What is the answer then?

Answer 4

the second one

Answer 5

?

Answer 6

Yup :-)