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6. [-/1.5 Points] DETAILS 0/6 Submissions Used Use the graph of F"(x) to answer questions about the function F(x). The domain of F(x) is (-ce, ce) . This is the graph of F"(x). 3 6 9 12 (a) Give the intervals where F(x) is concave up. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) (b) Give the intervals where F(x) is concave down. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) (c) Find the x-coordinates of the inflection points for F(x) . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X =7. [-/1.5 Points] DETAILS 0/6 Submissions Used Use the graph of the function F(x) displayed below to answer the following questions. The domain of F(x) is (-8, co) . 6 9 12 (a) Give the intervals where F(x) is concave down. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) (b) Give the intervals where F(x) is concave up. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) (c) Find the x-coordinates of the inflection points for F(x) . (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)5. [-/2 Points] DETAILS 0/6 Submissions Used Complete the following statements. g '(x) is positive when --Select- g '(x) is negative when ---Select--. Select all of the statements Select all of the statements that are equivalent to that are equivalent to g(x) is concave up. g(x) is concave down. Dig "(x) is negative. O g(x) is increasing. O g(x) is negative. O g '(x) is negative. O g(x) is positive. O g '(x) is positive. O g "(x) is positive. O g "(x) is decreasing. O g (x) is decreasing. O g '(x) is decreasing. O g "(x) is increasing. O g"(x) is increasing. O g(x) is decreasing. O g '(x) is increasing. O g (x) is negative. O g(x) is positive. O g"(x) is decreasing. O g(x) is decreasing. O g (x) is increasing. O g "(x) is positive. O g(x) is increasing. O g"(x) is negative. O g '(x) is positive. O g(x) is negative