B283 0 words D Question 17 5 pts Graph the function on your submission paper and label the key points in one full period. y = 2 cosa - 1 Edit Insert Format Table 12pt ~ Paragraph BIUAV LV T V V DV RC | : D Question 18 5 pts Write a function in the form y = A sin (Bx +C) +D for the graph. (-71, 3) 2/ (-27, 0) (0, 0) (27, 0) -8 -6 4 -2 0 --2- ( It, -3) BE 1 0 words D Question 19 5 pts Write a function of the form y = A cos (Bx - C) +D that has a period #, amplitude 2, phase shift ,, and vertical shift -2. Edit Format Table 12pt Paragraph BIUAV LV TV | | BC | : CamScanner