Level:
Project ID:
2010013910
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Suppose a function is increasing on the interval \([-6;-3]\). Which one of the offered functions has that property?
\(i(x)=-x^4+2x^2-3\)
\(h(x)=\sqrt{x^2+x}+1\)
\(f(x)=\frac{1-x^2}{x}\)
\(g(x)=(x+3)^3-3x-6\)