Consider the following.

$f(x)=\frac{x^2}{x+6}$

Find the derivative of the function.

$f^{\text{'}}(x)=\frac{x^2+12x}{(x+6{)}^2}$

Find the slope $m$ and an equation of the tangent line to the graph of the function $f$ at the point $(1,\frac{1}{7}).$

$m=$

$y=$

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