if f(x)= x/(x^2 +1) (a) find f'(x) and f''(x) Check to see that your answers to part (a) are reasonable by comparing the graphs of f, f' and f'' Help me !

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Originally Posted by butbi9x if f(x)= x/(x^2 +1) (a) find f'(x) and f''(x) Check to see that your answers to part (a) are reasonable by comparing the graphs of f, f' and f'' Help me ! Start by using the quotient rule to get f'(x). To get f''(x), use the quotient rule to differentiate f'(x).

I don't understand

Originally Posted by butbi9x I don't understand Then go back to your textbook or class notes and revise the quotient rule and the chain rule. Then read my first post again.

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