
problem of functions
Find the domain of the following functions, justifying your answer.
http://i240.photobucket.com/albums/f...1111111111.jpg
Given the functionhttp://i240.photobucket.com/albums/f...1111111111.jpggraph and identifies:
a) significant points.
b) domain and image.
c) intervals of increase and decrease.
d) Equation of asymptote.
e) Intervals of positivity, negativity and void.
http://img186.imagevenue.com/img.php..._122_437lo.jpg

For a) solve $\displaystyle 3^x+1\geq 0$
and b) solve $\displaystyle \log_5(x1) \neq 0$
what does c) even say?