Use a computer algebra system to graph fand to find / and for Use graphs of these derivatives to find the following. (Enter your answers using interval notation. Round your answers to two decimal places. If an answer does not exist, enter DNE.) *2/3 f(x) = - 2+x+x4 Find the intervals where the function is increasing. (0. 7 X Find the intervals where the function is decreasing. :90 X Find the local maximum value(s) of the function. (Enter your answers as a comma-separated list.) .0.26888 X Find the local minimum value(s) of the function. (Enter your answers as a comma-separated list. ) DNE X Find the inflection points of the function. smaller x-value (X, V) = 0,1.30009 X larger x-value (X, V) = 1.30009,90 X Find the intervals where the function is concave up