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?
\( f(x)=-x^2-2x+1 \)
\( f(x)=x^2+2x+1 \)
\( f(x)=-x^2+2x+1 \)
\( f(x)=-x^2-4x-5 \)