2000005106

SubArea: 
Properties of functions
Level: 
A
Project ID: 
2000005106
Accepted: 
0
Clonable: 
0
Easy: 
1
Which of the following statements is not valid for the function f? (See the picture.)
The function is one-to-one.
The function is bounded below.
f(−1)=2.
The value −2 doesn’t belong to the range of f.