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it has no lower limit, so i would say the domain is \((0,\infty)\) or "positive numbers"

Honestly, any input would be appreciated. I'm totally clueless!

how fancy is this math class?

maybe you can get away with saying "positive numbers"

It's just Algebra 1

Okay, thank you so much!! I've been stuck on math problems all night. I still have 3 more to go :(

are they hard?

go ahead and post, i will look,
or just ask here

I'll type it here, if that's alright

go ahead, i will answer if i can

costs*

whoa this is going to take a second
not too long though

You don't have to do it if you don't want to! I understand.

oh no we can definitely do this for sure

Alrighty, thank you so much.

Okay

then the first part tells you
\[x+2y=14\] and the second part say
\[.8x+y=10\]

Right

now before we solve this, i can make a good guess, which is that \(x=10\) and \(y=2\)

because \(10+2\times 2=14\) and \(0.8x\times 10+2=8+2=10\)

Yeah

so it is right
large pizza is $10, medium is $8, toppings are $2

so far so good?

yw
any more or are you done?

I have one more.

It's the hardest one

ready?

one thing we know is that \(x+y\leq 7\)

because at most 7 people can go

can you graph \(x+y=7\)?

Uh, no :/

|dw:1363921714846:dw|

you got it from the picture?

I can't see your drawing because I'm on my phone, I can't access a computer.

I know how to graph points, so I should be fine

ooh ok

Whatt do I do next?

then shade everything in quadrant 1, and below those two lines

i obviously cannot draw it here for you to see, but that is what you have to do

Yes, I understand

then i guess you are done
any point that is shaded in the picture is possible

Ok, sweet. Thank you very much for all your time and help. Have a nice night! :)

you too