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Consider the graph of y = f(x). 10 -9 9 10 Which of the following represents the sign chart or signs for f"? O O - - F+ + + + + + - - - + + + + - - - --++++ 6 -5 -4 -3 -2 -1 0 1 2 3 4 56 5- 5 -4 -3 -2 -1 0 1 2 3 4 56 O O - - -++ +- - -+++ - -+ ++ + ++ 6 5 -4 -3 -2 -1 0 1 2 3 4 56 6 -5 -4 -3 -2 -1 0 1 2 3 4 56 O + + + + + + + - - 6 -5 -4 -3 -2 -1 0 1 2 3 4 56