Question 347086
{{{f(x) = 3x^2 - 2x}}}
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{{{f(1) = 3(1)^2 - 2(1)}}}
{{{f(1)=3(1)-2}}}
{{{f(1)=1}}}
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{{{(f(x)-f(1))/(x-1)=(3x^2-2x-1)/(x-1)}}}
{{{(f(x)-f(1))/(x-1)=((x-1)(3x+1))/(x-1)}}}
{{{highlight((f(x)-f(1))/(x-1)=3x+1)}}}