Find the relative extrema and inection points of the following function. (If an answer does not exist, enter DNE.) for) = 7X6/7 + 6X local minimum at (X, y) = ( ) local maximum at (x, y) = ( ) inflection point (X, Y) = ( ) Sketch a graph of the function. O Y Y 10L 10 8- 8 6- 6 4- 4 2 2