Please answer the questions of 15 and 16

88 CHAPTER 1 Functions, Graphs, and Limits In Exercises 5 through 16, find the indicated one-sided limit. If the limiting value is infinite, indicate whether it is too or -oo. 5. lim (3x2 - 9) 6. lim x(2 - x) 7. lim V3x - 9 8. lim V4 - 2x x-2 9. lim x + 3 10, lim 1+4 00 12 x+2 x- 2 x- 2 11. lim (x - Vx) x - Vx 12. lim xx-1 V2x - 1 - 3 13. lim Vx+1-2 14. lim * - 3 + x - 3 x - 5 15. lim f(x) and lim f(x), x-3- * - 3 + S2x - x ifx - 1 x - - It if x