Let f(x) = (x+8) +8, for x > - 8.Determine the derivative of f- at x = 12.(f )'(12) = Let f(c) = (c +

Let f(x) = (x+8)² +8, for x > - 8.Determine the derivative of f-¹ at x = 12.(f ¹)'(12) =

Let f(c) = (c + + 8, fora > 8. Determine the derivative of f at = 12. (f -1) '(12)