Which of the following sets would have a graph with an open circle on 5 and a ray pointing left on the number line? 1) {x | x R, x ≤ 5} 2) {x | x R, x 5} 3) {x | x R, x

Question

Which of the following sets would have a graph with an open circle on 5 and a ray pointing left on the number line? 

1) {x | x  R, x ≤ 5}
2) {x | x  R, x > 5}
3) {x | x  R, x < 5}

ddcamp · Answer

Open circle means it doesn't have "equal to" as an option, so it can't be 1.
On a number line, are numbers increasing or decreasing to the left?

anonymous · Answer

i am pretty sure it would be #2 because of the fact the larger number is to the left so
i would go with 2

anonymous · Answer

The closed circles mean : Less than / Greater than , or Equal to .
The open circles mean : Less than / Greater than .

anonymous · Answer

yes i would go with 2