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April 1, 2015

April 1, 2015

Posted by **M. Pannell** on Tuesday, December 18, 2012 at 11:07am.

x does not equal 1

f(x) = x3 + x

- Math -
**Steve**, Tuesday, December 18, 2012 at 11:10amavg rate is slope of secant:

[f(x)-f(1)]/[x-1]

= [(x^3+x)-(1^3+1)]/[x-1]

= (x^3+x-2)/(x-1)

= x^2+x+2

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