pls show me your work

1. Section 9.1 Introduction to Limits 15. (A) lim f(x) (B) lim f(x) X- x 2 (C) lim f(x) (D) f(2) 2. Section 9.1 Introduction to Limits 29. lim 4x X 3 3. Section 9.1 Introduction to Limits 63. Let f(x) (x+ 2)2 Find x3 - 4 (A) lim f(x) (B) lim f(x) (C) lim f(x) 4. Section 9.2 Infinite Limits and Limits at Infinity 15. lim f(x) = ? r-+2 5. Section 9.2 Infinite Limits and Limits at Infinity X 17. f( x) = x- 5 (A) lim f(x) (B) lim f(x) (C) lim f( x) 6. Section 9.2 Infinite Limits and Limits at Infinity 23. f(x) = x - 3x + 2 x+2 (A) lim f(x) (B) lim f(x) 1 2 (C) lim f(x) x -2