19. Graph over 1 period y = 3sin~ x -7 )-2 2# a) Amplitude: 3 e = 8 = 3 sing ( x ) 4 b) Period: 1 2 c) Graph: start with y = sinx or y = sin - x , and include at least 3 transitional graphs. 3+1 2 71 3 TT 2 1 3 TT TT GIT 13 - d) Key points: X21. For the graph below, find a) amplitude, b) period, c) vertical and d) horizontal (phase) shift and write an equation. ( ) Amplitude = 1 21 = 2 6 ) Period = It C ) vertical = -IT / 2 TT / 2 D ) Horizontal 3TT / 2 Chase ( 0 , 1 ) ( II , 1 ) ( TT , 1 ) ( = TI , 1 ) ( 3 2 , 1 ) ( II , 0 )