Answers:
Try these questions based on common HKDSE past paper patterns : Given the function is changed to , describe the geometric transformation. Step 1: Rewrite in terms of
(Answers: 1. Down 4 units; 2. Right 2 units; 3. Reflect x-axis; 4. Left 1 unit, then Up 2 units)
Thus: ( a=3, b=-1, c=-1, d=2 ) → ( y = 3f(-x - 1) + 2 )