Question 210793
{{{(g(3+h)-g(3))/(h)}}}
={{{(2-(3+h)^2-(2-3^2))/(h)}}}
={{{(2-(9+6h+h^2)-(2-9))/(h)}}}
={{{(2-9-6h-h^2-2-9)/(h)}}}
={{{(-6h-h^2)/(h)}}}
=-6-h