Question

What is the domain of `f(t) = (t+1)/(t^2+3t+2)?`?

Answer 1

f(t)=`(t+1)/((t+2)(t+1))= 1/(t+2)`

f(t) would exist for all t in R, except at t=-2.

The domain of f(t) would therefore be (-`oo`,2)U(2, `oo`)