Question 262860
To find slope we take a derivative.
The derivative formula we need is
(i) {{{s(n) = log(b,u)}}} 
will become
(ii) {{{s(prime)(n) = log(b,e)*(u(prime)/u)}}}
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let U = n^2 - 4
now
dU = 2n
so, from (ii) we get
{{{s(prime)(n) = log(10,e)*(n^2-4)/2n)}}}
Next let n = 3, and we get
{{{s(prime)(3) = log(10,e)*(3^2-4)/(6)}}}
which is
{{{s(prime)(3) = (5/6)*log(10,e)}}}
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I hope this is what you were looking for.