Give the intervals where the concave is up. Thank you. Use the graph of F\"(x) t

Question

Give the intervals where the concave is up. Thank you.

Use the graph of F"(x) to answer questions about the function F(x). The domain of F(x) is (-infinity, infinity). Give the intervals where F(x) is concave up. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) Give the intervals where F(x) is concave down. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) 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.)

Explanation / Answer

a) (2 , 8) U ( 14 , infinity)    on this intervals f '' (x) is positive (i.e concave up )

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