hey..any help would be greatly appreciated. been trying to figure this one out for a quite a while now..

let t(x) = 4x + 3 if x<= -3

4 + 2x - x^2 if -2< x < 2

e^x if x > 2

its a piecewise function im assuming...the question asks....

"Find the natural domain of the function 't'

thanks