Consider the following function. (If an answer does not exist, enter DNE.) ex f (x ) = 8 - (a) Find the vertical asymptote(s). (Enter your answers as a comma-separated list.) X DNE X Find the horizontal asymptote(s). (Enter your answers as a comma-separated list.) y 0.1 X (b) Find the interval(s) of increase. (Enter your answer using interval notation.) (-00,00) Find the interval(s) of decrease. (Enter your answer using interval notation.) DNE (c) Find the local maximum and minimum values. local maximum value DNE local minimum value DNE (d) Find the interval(s) on which f is concave up. (Enter your answer using interval notation.) -0, In (8) ) Find the interval(s) on which f is concave down. (Enter your answer using interval notation.) In (8),00) Find the inflection point. (x, y) =|In(8), 2 X