Answer:
1. Horizontal shift left 3, Vertical shift down 3.
2. Reflection across the x-axis, Vertical stretch of 3.
3. Horizontal shift right 3, Vertical shift down 3.
Step-by-step explanation:
The parent quadratic function is

Table of values:
x y
-2 4
-1 1
0 0
1 1
2 4
The graph of parent quadratic function is a U-shaped curve with vertex at origin.
The graph of parent function shifted 3 units left and 3 units down to get the graph 1.
The graph of parent function reflected across the x-axis and vertically stretched by factor 3 to get the graph 2.
The graph of parent function shifted 3 units right and 3 units down to get the graph 3.