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Question 6 < > Score on last try: 0.83 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below • Caught warning in the question code: A non-numeric value encountered on line 16 in file /var/app/current/assess2/questions/ScoreEngine.php(141): eval)'d code • Caught warning in the question code: A non-numeric value encountered on line 16 in file /var/app/current/assess2/questions/QuestionHtmlGenerator.php(198) : eval()'d code Consider the function f(x) = 6x + 5x - 1 Where is the function undefined? 0 What are the critical numbers? Find the intervals where f(x) is increasing -00, verb ) ( 470,-)vo ✓30 6 00 6 Find the intervals where f(x) is decreasing (-x700)ulo, votu) -V30 ,, ✓ 30 6 می - ( Find the intervals where f(x) is concave up (0,00) Find the intervals where f(x) is concave down (-00,0) Question Help: D Video Calculator Submit Question
Question 4 く > Score on last try: 0.55 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below Let f(x) = x3 + 9x2 812 + 18. (a) Use the definition of a derivative or the derivative rules to find f'(x) 3x2 + 182 – 81 (b) Use the definition of a derivative or the derivative rules to find f''(x) 6x + 18 ✓o (c) On what interval is f increasing (include the endpoints in the interval)? interval of increasing = (-00,-9]u[-3,00] , Х (d) On what interval is f decreasing (include the endpoints in the interval)? interval of decreasing = [ -9,3] (e) On what interval is f concave downward (include the endpoints in the interval)? interval of downward concavity = [-3,00] Х (f) On what interval is f concave upward (include the endpoints in the interval)? interval of upward concavity = (-00,-3) Х Calculator Submit Question