1103206101

SubArea: 
Quadratic functions
Level: 
C
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∈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