Level:
Project ID:
9000070403
Accepted:
1
Clonable:
0
Easy:
1
Given function \(f(x) = -x^{2} + 2x + 3\), find
the intervals where \(f\)
is an increasing function.
\(\left (-\infty ;1\right )\)
\(\left (-\infty ;2\right )\)
\(\left (-\infty ;3\right )\)
\(\left (-\infty ;6\right )\)