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匿名 發問於 科學及數學數學 · 6 年前

A Math Question on Limit

Let f(x) = -9x^2+2x for x<=0

and = 7x^2+2x for x>0

According to the definition of derivative to compute f'(0), we need to compute the left hand limit, which is lim x->0-_____, and the right-hand limit, which is lim x->0+_____.

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