Question

Lets C who helps me Today!

Answer 1

Me.

Answer 2

A

Answer 3

how & y?

Answer 4

There are no restrictions on the domain, except that x is a real number. Plug in any real value for x and it is always defined. If you plug in an imaginary number, the second term becomes imaginary, giving an imaginary answer. Therefore, A is the correct answer.

Answer 5

ok, idk.

Answer 6

yay, i knew this one before the answer was posted!

Answer 7

lol

Answer 8

khan you're cute

Answer 9

Cristy i will medal u coz i knw u will gove me the correct ans.

Answer 10

Hehe, thnks! :)

Answer 11

you already know the answer
you are a master at math

Answer 12

Lol, Sorry... Idk about this simply one! :'(

Answer 13

Infact this aint mine. ;)

Answer 14

so you are saying you are in algebra?
i thought u were in upper level math lol

Answer 15

you have a polynomial
polynomials are continuous everywhere
so the domain of any polynomial is all real numbers
in interval notation that would be (-inf,inf)

Answer 16

Lol, no actually i forgot how to do these Range & Domain probs.

Answer 17

so which one is the Ans?

Answer 18

A.
all real numbers

Answer 19

Thnks ALOT.

Answer 20

what math are you in?
i never seen you ask any questions
this is weird to me
no problem

Answer 21

i mean i dont mind you asking questions
i'm just surprised
lol

Answer 22

Lol, I passed my School already.
waiting for my results..

In vacations rather than wasting time on Fb chatting with frnds.. i spend my time here! :D

Answer 23

Im doing some1's hw.
she is sick actually.

Answer 24

have fun

Answer 25

:D

Answer 26

PLease confirm the ansother answer too!

Answer 27

ok it has been posted?

Answer 28

Oh Yeas. its on Left.

Answer 29

oh same attachment let me look again

Answer 30

yea i only see the one question

Answer 31

o.O

Answer 32

im posting another ques again.

Answer 33

k

Answer 34

the one with your name

Answer 35

?

Answer 36

http://assets.openstudy.com/updates/attachments/4e23ac620b8ba00f8f01002d-saifoo.khan-1310960749427-untitled.jpg

Answer 37

here u go!

Answer 38

The answer is C for that question.

Answer 39

i posted it here.

Answer 40

Just confirming man!

Answer 41

I believe u!

Answer 42

but still, Confirming.

Answer 43

I never posted on that one haha, I was just replying here because I didn't see the other one.

Answer 44

this function is continous everywhere except when the bottom=0
so set the bottom =0 and solve for x
this x is what you exclude from the domain
so we have 3-7x=0
3=7x
x=3/7
all real numbers except 3/7

Answer 45

choice c

Answer 46

Done!

Answer 47

congratulations

Answer 48

thnks!