Question

How would I interval notate this (comments)? :p

Answer 1

First what does it mean when it's open?

Answer 2

open circle

Answer 3

That, that number isn't included.

Answer 4

Right? :D

Answer 5

yes

Answer 6

So now look at from where it's not included?

Answer 7

Didn't get that part.

Answer 8

(-5,2)

Answer 9

( <= meaning not included [ <= included

Answer 10

so the whole thing goes

Answer 11

Great Scott Batman! Are you saying it's that space between the two lines?!

Answer 12

yup

Answer 13

that area is not included so finish off the interval

Answer 14

(-15, -5] u [2 5)? ._.

Answer 15

not included rememebr :D

Answer 16

oh wait let me look at it again

Answer 17

Oh, garfunkle! Alright o3o

Answer 18

You're right unless you guys are using infinity?

Answer 19

I think that is how it wants it (the website I work on) since it talks about noting infinity.

Answer 20

k one sec then your interval is this, yours is wrong because -15 and 5 are icnluded

Answer 21

Okay :c

Answer 22

Are you absolutely super duper ultra mega sure? o.o

Answer 23

I'm a bit rusty on this, but I'd say it is.

Answer 24

Want me to check now and let you know?

Answer 25

Sure

Answer 26

Says incorrect :(

Answer 27

yeah it should be open parentheses

Answer 28

what grade is this?

Answer 29

Does this meaning anything to you?

Answer 30

Grade 10 :p

Answer 31

YES

Answer 32

*cough* meaning? *cough*

Answer 33

With what you gave makes me use infinity..

Answer 34

\[(-\infty,-5)\cup(2,\infty)\]

Answer 35

because XER you have to use infinity

Answer 36

Ready to put in the correct-a-fier?

Answer 37

yes

Answer 38

WE DID IT BATSY! WE DID IT!

Answer 39

so it was right :)

Answer 40

I had a feeling, because when I saw XER there was no other way I could have used the interval

Answer 41

It was darn diddly do da right you ol' Bat you.

Answer 42

Thank you for your time and patience.

Answer 43

Haha, anytime, but it's basically saying, XER = all real numbers are included except for the interval between -5, and 2.

Answer 44

anyways take care and best of luck!

Answer 45

Sanka you.