11 37 50 Horizontal asymptotes Determine lim f x and lim f x for the following functions Then give the horizontal asymptotes of f if any 37 f x 39 f x 41 f x 45 f x 47 f x 4x 20x 1 6x 9x 8 3x 2 40x x 43 f x 16x4 2x 3x 7 x4 5x 38 f x 1 2x4 4x8 9x4 4x 1 2x 16x6 1 40 f x 42 f x 44 f x 46 f x 3x 7 x 5x 12x 3 3x8 2x7 2x 1 3x4 2 6x 1 4x4 3x 1 x 1 2x 1 48 f x x x 9x