74 CHAPTER 2 Functions and Graphs Graph each function in Problems 43-48. n ow-12 - 2x if x <2 43.) 1 x - 2 if x 22 S x + 1 if x < -1 44. 12 + 2x if x = -1 55 +0.5x if 0 < x < 10 1-10 + 2x if x > 10 10 + 2x if 0 < x < 20 40 + 0.5x if x > 20 (2x if OS X = 20 h(x) = x + 20 if 20 < x < 40 0.5x + 45 if x > 40 (4x + 20 if 0 SX s 20 48. h(x) = 2x + 60 if 20 < x < 100 1-x + 360 if x > 100 C Each of the graphs in Problems 49–54 involves a reflection in t. x axis and/or a vertical stretch or shrink of one of the basic fune tions in Figure l on page 65. Identify the basic function, and de scribe the transformation verbally. Write an equation for t graph. 49. y 50