Question

Find the domain:

g(t) = sqroot(1-2^t)

Thanks.

Answer 1

when t=0, sqrt(1-2^0) = sqrt(0) = 0
if t > 0, then sqrt(1- [some number bigger than 1) no real answer.
therefore t <= 0.
that should be your domain: (-inf,0]

Answer 2

Oh okay, thanks.