Question

How do I graph these solution sets? [1/3, 1/2] U [1/2, inf.) ?

Answer 1

We need a number line... with the relevant numbers marked out , of course...

Answer 2

Yes :D Sorry, my computer just locked up...

Answer 3

So, mark out [1/3 , 1/2]

Answer 4

Well... What I'm not sure about, is what to highlight... What to shade, I mean. B/c I'm supposed to shade the solution part. And so.. yeah.

Answer 5

Hang on...

Answer 6

Well, shade from 1/3 to 1/2, inclusive, since it was a closed interval with the []

Answer 7

Okay. So do I highlight from 1/2 to infinity, also??

Answer 8

You got it :)

Answer 9

And it's a union, so you take them both, and not just where they intersect :D

Answer 10

So essentially, since you had closed intervals, the union is effectively [1/3, infinity)

Answer 11

Okay... Oh, okay :D I just wasn't sure. I've been having problems with this question, so. I see, then.

Answer 12

Thank you!!

Answer 13

no problem :)

Answer 14

I guess @austinL wasn't feeling very algebraic this morning :P

Answer 15

Sorry, I was afk.... :(

Answer 16

It's ok. I understand. You can't always be there =) Do you agree with @terenzreignz?

Answer 17

I don't.

Answer 18

Yes you do.

Answer 19

What??

Answer 20

nothin'

Answer 21

Were you talking to yourself?