<PRE><B>Question 1091770</B>
{{{ARC=(f(4+h)-f(4))/(4+h-4)}}}
{{{ARC=(3(4+h)^2-3(4)^2)/(4+h-4)}}}
{{{ARC=(3(h^2+8h+16)-3(16))/(h)}}}
{{{ARC=(3(h^2+8h))/(h)}}}
{{{ARC=3(h+8)}}}
.
.
.
{{{ARC=(g(a)-g(5))/(a-5)}}}
{{{ARC=(3/a-3/5)/(a-5)}}}
{{{ARC=(3(1/a-1/5))/(a-5)}}}
{{{ARC=(3*5a(1/a-1/5))/(5a*(a-5))}}}
{{{ARC=(3(5-a))/(5a(a-5))}}}
{{{ARC=(-3(a-5))/(5a(a-5))}}}
{{{ARC=(-3)/(5a)}}}</PRE>