Step 1 :\(f(x) = 2 \log_3 (x + 1) \)
Step 2 :asymptote: x = -1
Step 3 :range: (-\infty, \infty)
Step 4 :domain: (-1, \infty)
Step 5 :left end behavior: \(\lim_{x \to -1^+} f(x) = -\infty \)
Step 6 :right end behavior: \(\lim_{x \to \infty} f(x) = \infty \)