Consider the following function. (If an answer does not exist, enter DNE.) f ( x ) = 1+ . 6 X x2 (a) Find the vertical asymptote(s). (Enter your answers as a comma-separated list. ) x = 0 Find the horizontal asymptote(s). (Enter your answers as a comma-separated list. ) y = 1 (b) Find the interval(s) of increase. (Enter your answer using interval notation.) 5 Find the interval(s) of decrease. (Enter your answer using interval notation.) ( - 00, 0 ) U/ 12 5,00 (c) Find the local maximum and minimum values. local maximum value 49 24 local minimum value DNE (d) Find the interval(s) on which f is concave up. (Enter your answer using interval notation.) Find the interval(s) on which f is concave down. (Enter your answer using interval notation.) Find the inflection point. ( x, y ) =