Getting the Horizontal Asymptotes

[MatthewR]

Homework Statement

Homework Equations

The Attempt at a Solution

I understand there is no vertical asymptotes and can usually get the horizontal ,but can't understand with the exponential.

 

[Ray Vickson]

Homework Statement

View attachment 216624

Homework Equations

The Attempt at a Solution

I understand there is no vertical asymptotes and can usually get the horizontal ,but can't understand with the exponential.

Your image is fuzzy and unreadable. Take the trouble to actually type out the problem---that is actually the PF preferred standard!

 

[MatthewR]

Your image is fuzzy and unreadable. Take the trouble to actually type out the problem---that is actually the PF preferred standard!

Noted :) , here goes:

f(x)=1/1+e^3x

 

[Dr. Courtney]

Try graphing it, and then go from there.

 

[SammyS]

Noted :) , here goes:

f(x)=1/1+e^3x

You should enclose that denominator in parentheses.

f(x)=1/(1+e^3x)​

What happens to e^3x as x gets very large ?

What happens to e^3x as x gets very negative ?