Level:
Project ID:
1103206101
Accepted:
1
Clonable:
0
Easy:
0
There are graphs of three quadratic functions in the picture. Choose the formula which corresponds to all three functions graphed in the picture. Suppose that \( a\in\mathbb{R}^+ \).
\( y=a(x+2)^2-1 \)
\( y=a(x-2)^2-1 \)
\( y=a(x-1)^2+2 \)
\( y=2(x-a)^2+1 \)