Question

Which of the following sets would have a graph with an open circle on 2 and a ray pointing left on the number line?


{x | x E R, x ≤ 2}
{x | x E R, x > 2}
{x | x E R, x < 2}

Answer 1

A

Answer 2

an open circle at 2 means 2 is not part of the solution
(a filled or solid circle means 2 is part of the solution)

your choice is x < 2 or x≤ 2
which is correct for an open circle ?