1103030803
Level:
A
There is a part of the graph of the function \( f(x)=x^3 \) in the picture. Identify which of the following statements is true.
The function \( f \) is increasing in the interval \( [ -1,1 ] \).
The function \( f \) is decreasing in the interval \( [ -1,1 ] \).
The function \( f \) is non-decreasing and it is not increasing in the interval \( [ -1,1 ] \).
The function \( f \) is non-increasing in the interval \( [ -1,1 ] \).