Determine the domain and range of the function y=5−e^(−x/2).

[nukeman]

Homework Statement

Determine the domain and range of the function y=5−e^(−x/2).

I am having some trouble with this. Does any have some tips to get started, or a good link to a instructional video? My textbook does not have this section :(

Thanks all!

Homework Equations

The Attempt at a Solution

 

[SammyS]

Homework Statement

Determine the domain and range of the function y=5−e^(−x/2).

I am having some trouble with this. Does any have some tips to get started, or a good link to a instructional video? My textbook does not have this section :(

Thanks all!

Homework Equations

The Attempt at a Solution

Do you know the domain or the range of y = e^x ?

 

[nukeman]

Thats a negative.

I just got to the "e" now, but my book does not explain this. So, that's why I am asking here.

 

[SammyS]

Thats a negative.

I just got to the "e" now, but my book does not explain this. So, that's why I am asking here.

So, you have no experience with exponential functions.

Have you ever graphed y = 2^x ?