x2 , for x $ 1 4. Let f (x) = 12x + 1, for x > 1 If f continuous at x = 1 ? If so, explain your answer. If not explain why not and specify the type of discontinuity (removable, jump, infinite). 5. Find an equation of the tangent line to the curve y = : Cos(x) at the point 2+sin(x) (0,;)