Problem 11_ Remaining time: 87:00 (min:sec) (1 point) If 24 + 8f(a:) + 12012)? : 0 and f(1) : 2, nd f'(1). f'(1) : preview answers Problem 12. (1 point) Find an equation of the line tangent to the curve dened by x2 + 6mg + y5 : 8 at the point (1, 1). y : preview answers Problem 13. (1 point) Let f(a:) : 9:3\". Use logarithmic differentiation to determine the derivative. f'(m)