12. Find the value of A such that the tangent line to f(x) = 2ed at (0, 2) is the same as the tangent line to the implicitly-defined curve (y - 3)2 = 2 - (x - 1)2 at the same point. x 13. Find the global maximum and minimum for f (x) = x2 - x +1 on the interval [0, 3]