1103083103

SubArea: 
Quadratic functions
Level: 
A
Project ID: 
1103083103
Accepted: 
1
Clonable: 
0
Easy: 
0
The quadratic function f is graphed in the picture. Which of the following is its equation?
f(x)=−x2−2x+1
f(x)=x2+2x+1
f(x)=−x2+2x+1
f(x)=−x2−4x−5