(10 points) (a) Consider the points (- 5, - 27) and (4, - 67). Find the distance d between the points and the midpoint M of the line segment which connects them. (b) Find all points of the form (x, 2) which are 4 units from the point (1, - 1). x 3 2. (5 points) Let f(x) where a, b are constants. What is the domain of f? (No ax + bx work required) a. D, = x x