Please solve as fast as possible

9) Given the following function: (7 points) [4x - 3, * > 2 a. What is the domain of f(x). b. Study the continuity of f(x) over its domain using limits at x=2. c. Find the derivative function f(x) to prove that the function is differentiable at x=2. d. Determine the equation of the tangent drawn to the curve at the point A(2,5)