## Destinyyyy one year ago Which is it?

1. Destinyyyy

Use graphs to find the set. (-9,7) n [0,8] Is it (0,7) or [0,7)

2. Destinyyyy

@freckles

3. freckles

so you drew both (-9,7) and [0,8] ? Should look something like this: |dw:1441228781893:dw|

4. freckles

now you want to find where you have both of those curvy line thingys I drew

5. Destinyyyy

Yeah...

6. freckles

|dw:1441228855669:dw|

7. freckles

notice we don't include x=7 because x=7 wasn't included in the second curvy line I drew

8. Destinyyyy

Im pretty sure its [0,7)

9. freckles

we know it wasn't included in the second curvy line because there is an open circle

10. freckles

you are right

11. Destinyyyy

Okay thank you

12. freckles

hey @Destinyyyy one thing about earlier

13. freckles

I think you were confused on how to combined fractions that have a variable in it ...

14. freckles

$\frac{x}{4}-\frac{x}{5}$ like both 4 and 5 go into 20

15. freckles

and that is why I chose 20 to be the bottom but this changes the top

16. Destinyyyy

I know how to. I was just following the example that told me not to do it that way

17. freckles

so so it is clear to you you should get (5x-4x)/20 ?

18. Destinyyyy

Yes

19. freckles

ok awesome I just wanted to make sure you understood that part :)