9000142005

Level: 
Project ID: 
9000142005
Accepted: 
1
Clonable: 
0
Easy: 
1
Identify a correct statement related to the function f shown in the picture.
concave up on (1;0) and (1;), concave down on (;1) and (0;1), inflection at x1=1, x2=0 and x3=1
concave up on (1;0)(1;), concave down on (;1)(0;1), inflection at x1=1, x2=0 and x3=1
concave up on (;1) and (0;1), concave down on (1;0) and (1;), inflection at x1=1, x2=0 and x3=1
concave up on (;1)(0;1), concave down on (1;0)(1;), inflection at x1=1, x2=0 and x3=1