1) Find limits: (a) (1 point) lim x-4 2 2x+2x 12 (b) (1 point) 2+4x+20-5 lim x-1 (c) (1 point) (d) (1 point) 52 1 lim 3 lim (e + x). 2) (1.5 point) What type of breakpoint function h(x) has in point 3? 3) Find derivatives: h(x) = { , if x 3; 7. if x = 3. (a) (1 point) using definition: y = = (x-5); (b) (1 point) cos(2ry2) = 5x + 3y; (c) (1 point) y = (x)sinz. 4) (1.5 point) You have a function: 22 1 f(x) = +3 Find critical points of the function, check which of them are minimum and which of them are maxim Find the intervals in which function is increasing and in which it is decreasing.