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Quandaries & Queries
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 Topic: define
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 The range of a function defined piecewise 2016-01-13 From sarah:f(x)={x-2, x<-2        {x^2-4, -2_2 find the rangeAnswered by Penny Nom. Limits 2010-09-20 From rodrigo:what's the limit of x+1/x-1, when x tends to 1?Answered by Janice Cotcher. Vector spaces 2009-07-05 From Nazrul:How can I prove that m(a+b)=ma+mb where a and b are two vectors. Thank you.Answered by Harley Weston. When is the limit of f(x) undefined? 2004-08-03 From Nicolasa:When is the limit of f(x) undefined?Answered by Penny Nom. The line through (4,2) and (4,-8) 2004-04-17 From Kim:Write an equation for the line. Given points (4, -8) and (4,2) are on the line. I believe m=undefined. How do I solve for b when m is undefined, and then plug in the values for m, b, and y? Answered by Penny Nom. (x^2-5x-6)/(x-6) 2001-10-02 From Bill:given f(x) = (x2-5x-6)/(x-6) find f'(6). Answered by Harley Weston.

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