Question

I need help finding the domain for ln(3x-7)

Answer 1

domain of ln x is ?

Answer 2

It is -infinity to + infinity.

Answer 3

really ?
is ln -2 defined ?

Answer 4

Oh. 0, infinity.

Answer 5

yes
or we can say
x>0

Answer 6

I am bad at this!

Answer 7

@hartnn

Answer 8

but i just asked for ln x
we need to work out for your question yet

Answer 9

for ln x, x>0

for ln (3x-7)
3x-7> 0

what about x ?

Answer 10

Is it 7/3?

Answer 11

you mean x>7/3
yes

Answer 12

So it would be written (7/3, infinity)?
What about the other one I missed?

Answer 13

yes
x^2-1 > 0

Answer 14

so x^2 >1
so ...?

Answer 15

that is correct

Answer 16

Thank you.

Answer 17

Got them right.

Answer 18

good! :)