3. (A 2+2 Marks) Find the limit, if it exists. a) V3+h- h Find the limit, if it exists: lim . x-125 b ) Find the limit, if it exists: IIm ,-+125 Vx -5 4. (A 2 +C 2 Marks) Graph the function 20-1 ifa 15. (T 4 marks) Find the values of a for which the function f is continuous on R (ax - 1)3 ifx 2Note: Show your Work. Two communication marks for proper math form. 1. ( K/U 2 Marks) A projectile's path is represented by the function () - -4.9 + 251+5, where h is its height, in metres, after / seconds. Find the average rate of change of the projectile's height between 0 s and 2 s. 2. ( K/U 2 + 3 Marks) a) Evaluate the limits for the graph: lim /(x). lim Ax). b) Evaluate the limit, if it exists; 1) lim +x 140 X [x -5 lim 5 x-5 ifi) lim 2-x *+2 x- 2