kaylaanderson1147 kaylaanderson1147 24-04-2024 Mathematics Answered Find the instantaneous rate of change (IRC), using the formal definition, of f(x)=2x²+3 at the point x=-3. IRC = lim_(h→0)(f(a+h)-f(a))/(h)a=f(a)=f(a+h)=f(a+h)-f(a)= When h is factored out of