12. Given the point ( 2, l) on a tangent line to the curve f(x) = x2 2x + 5 nd the p0inl(s} where the tangent touches x}. [5 Marks] 9. Besides the 3 discontinuities (innite, removable and jump) name 3 scenarios in which the derivative does not exist. Draw a sketch of the situation [3 Marks] Name