1003083113

SubArea: 
Quadratic functions
Level: 
B
Project ID: 
1003083113
Accepted: 
1
Clonable: 
0
Easy: 
0
Determine the coordinates of the parabola vertex, if the parabola is the graph of \( f(x)=-\frac43 x^2+8x-13 \).
\( [3;-1] \)
\( [3;-22] \)
\( [-3;-1] \)
\( [-3;22] \)