3. Find the following limit using numerical method x - 4 lim (5 Points) x-4 x2- 5x +4 X 3.9 3.99 3.999 4 4.001 4.01 4.1 Give f (x) 4. Given f (x ) = *+3 x 2 - 9 a. Determine where the function is discontinuous. (2 points) b. Identify the type of discontinuity at each number where the function is discontinuous. (3 points)