Question

Compare and contrast domain and range of following: f(x) = 2^x – 1 and g(x) = –2^x – 1.

Answer 1

If somebeody can help I just have to make sure I have the right answer

Answer 2

Is the domain the same or different?

Answer 3

domain is the same, all real number, right?

Answer 4

Yes

Answer 5

and range wouldn't be the same as y>0?

Answer 6

Would it?

Answer 7

I guess so, am I right?

Answer 8

https://www.desmos.com/calculator/6o4mxsneit

Answer 9

In order for the range to the same, both graphs would have to span the same vertical boundary along the y-axis

Answer 10

I understand so their range is like a refelction, they have opposite range, positive graph increases, while negative decreases?

Answer 11

Yes, I suppose you could describe it that way.

Answer 12

Your teacher might want to to post the actual numerical values for the range

Answer 13

ok, thank you hero, you made it as clear as possible :)

Answer 14

Well, I try