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Quandaries & Queries
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 Topic: difference quotient
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 A difference quotient 2015-01-12 From Sasha:Simplify the difference quotient f(x) − f(a)/ x-a if x ≠ a. f(x) = x^3 − 12Answered by Penny Nom. An algebraic exercise 2013-03-18 From autumn:given: f(x)=x/(x^2+2) determine: [f(x-h)-f(x)]/hAnswered by Penny Nom. Difference quotient 2010-07-26 From Brandon:i'm trying to figure out how to use the difference quotient with x^3, i have tried the following...(x+h)^2*(x+h)-(x+h)/h and i have only gotten as far as...(x^2+2xh+h^2)-(x+h)/h....i cannot see where i am goin astray, i know i am overlooking something simple, what am i overlooking?Answered by Penny Nom. A difference quotient 2009-06-17 From Sue:When s(x)=x^3+x, compute and simplify the difference quotient s(x+h)-s(x)/h.Answered by Harley Weston. The difference quotient (f(x+h)-f(x))/h 2009-01-26 From helen:Find the difference quotient of f, f(x+h)-f(x)/h, h does not equal 0, for this function. Be sure to simplify. that is, find f(x)=x^2-x+4Answered by Robert Dawson. [f(x)-f(1)]/(x-1) 2008-08-14 From katie:Evaluate (if possible) the function of the given value of the independent variable: f(x)=(x^3)-x: [f(x)-f(1)]/(x-1)Answered by Penny Nom. A difference quotient 2008-07-10 From Rita:Find the difference quotient of f, that is, find [f (x + h) - f (x)]/h, where h does not = 0 for the given function. Be sure to simplify. f(x) = 1/(x + 3)Answered by Janice Cotcher.

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