What are the limits of a Fourier integral?

[Studious_stud]

Homework Statement

The Attempt at a Solution

When I do the integral of this function I'm unsure of what the limits are. Anyone care to help? Thanks

 

[micromass]

Please include an attempt or this thread will be deleted.

 

[Studious_stud]

Please include an attempt or this thread will be deleted.

Sure thing, just forgot to include it.

I'd use latex but it's just quicker this way...

 

[micromass]

Well f(x)=0 for x\leq 0, so the part of the integral from -\infty to 0 vanishes, right??

So that would leave us with?

 

[Studious_stud]

Well f(x)=0 for x\leq 0, so the part of the integral from -\infty to 0 vanishes, right??

So that would leave us with?

Oh I get ya, so the lower limit is 0 and the upper limit is -\infty?

 

[micromass]

Oh I get ya, so the lower limit is 0 and the upper limit is -\infty?

I guess you mean + for the upper limit, but yeah.

 

[Studious_stud]

Oh I get ya, so the lower limit is 0 and the upper limit is -\infty?

Sorry for the double post here, I mean the upper limit is \infty