Question 1 Find the interval (s) where f'(x) > 0 for the function 2x 1+x² f(x) = = O (-1,1) (-inf,-1) O (1, inf) O None
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Question 1 Find the interval (s) where f'(x) > 0 for the function 2x 1+x² f(x) = = O (-1,1) (-inf,-1) O (1, inf) O None
Question 1 Find the interval (s) where f'(x) > 0 for the function 2x 1+x² f(x) = = O (-1,1) (-inf,-1) O (1, inf) O None of these