Let f x x 6x 1 Fill in the values or intervals below If there is nothing applicable for a given category enter NONE For use infinity For use infinity To indicate a union of intervals use U interval s on which f is increasing interval s on which f is decreasing x coordinates of all local maxima x coordinates of local minima interval s on which f is concave up interval s on which f is concave down Use your results as recorded above to sketch the graph of f Check by making a plot not submitted