Extremal-Values: Problem 1 Previous Problem Problem List Next Problem 1 point) Use a graph below of f(x) In/7a2+ 1) to estimate the z-values of any citical points and infection points of fx) critical points (enter as a comma-separated list) z inflection points (enter as a comma-separated list) z Next, use derivatives to find the z values of any critical points and inflection points exactly aritical points (enter as a comma-separated list)z infection points (enter as a comma-separated list): Note: You can eam partial credit on this problem Preview My Answers Submit Answers You have attempted this problem 6 times Your overall recorded score is 25% You have unlimited attempls remaining ëë¶ ã 2 3 4 6 7 8