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Mathematics 15 Online
OpenStudy (anonymous):

helpppp pleaseeeeee @mayaal @Mertsj @whpalmer4 @Isaiah.Feynman

OpenStudy (anonymous):

OpenStudy (anonymous):

Remember domain and range? what is the domain and what is the range?

OpenStudy (mertsj):

Remember alphabetical order: d comes before r and x comes before y so domain is the set of x values and range is the set of y values.

OpenStudy (mertsj):

Do that graph have a y value of 10?

OpenStudy (anonymous):

Looks like mertsj has this...

OpenStudy (isaiah.feynman):

@Mertsj i like to remember it as 'dx' and 'ry'

OpenStudy (anonymous):

no

OpenStudy (mertsj):

What about 8? Is that y value on the graph?

OpenStudy (anonymous):

yes

OpenStudy (mertsj):

Name the ordered pair that is on the graph that is like this: ( , 8)

OpenStudy (anonymous):

im confused

OpenStudy (mertsj):

Can you graph ordered pairs?

OpenStudy (anonymous):

im horrible at it

OpenStudy (mertsj):

That's why you are having so much trouble with domain and range. Can you graph (0,8)?

OpenStudy (anonymous):

yes

OpenStudy (isaiah.feynman):

@Mertsj let me take it from here.

OpenStudy (mertsj):

It it on the graph?

OpenStudy (anonymous):

yes

OpenStudy (mertsj):

someone else wants to help you now. Good luck to you both.

OpenStudy (anonymous):

ok thank you though @Mertsj

OpenStudy (isaiah.feynman):

@divagirl421 Let me try to simplify. To get the domain on that graph. look at the 'wideness' of the curve and see the numbers on the X axis that are on the two edges of the curve!

OpenStudy (anonymous):

its on 6

OpenStudy (anonymous):

@Isaiah.Feynman

OpenStudy (anonymous):

i think

OpenStudy (isaiah.feynman):

Actually the two x values on the edges of that curve is -4 and 10. Look at the curve and you will see what I mean.

OpenStudy (anonymous):

oooo

OpenStudy (isaiah.feynman):

Get it now?

OpenStudy (anonymous):

im still getting there

OpenStudy (isaiah.feynman):

Okay... tell me when you get there. :)

OpenStudy (mertsj):

@divagirl421 What is the highest point on the graph?

OpenStudy (anonymous):

sorry my wifi was acting up @Isaiah.Feynman

OpenStudy (isaiah.feynman):

Its ok

OpenStudy (anonymous):

im confused still though im sorry if im hard to teach;/

OpenStudy (isaiah.feynman):

ok the domain is -4<x<10. And the range is from 3 to negative infinity!

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