Question

Which of the following sets would have a graph that is a closed circle on -4 and an arrow to the left?

{x | x ∈ R, x < -4}
{x | x ∈ R, x ≤ -4}
{x | x ∈ R, x > -4}
{x | x ∈ R, x ≥ -4}

Answer 1

any ideas?

Answer 2

the second one?

Answer 3

yup!

Answer 4

thank you:))