Level:
Project ID:
9000038906
Accepted:
1
Clonable:
0
Easy:
0
Consider the function \(f\colon y =\mathop{\mathrm{tg}}\nolimits x\).
In the following list identify the nonnegative function.
None of the given functions is nonnegative.
\(A\cdot f(x)\),
where \(A\in (-\infty ;0)\)
\(A\cdot f(x)\),
where \(A\in (0;+\infty )\)
\(f(B\cdot x)\),
where \(B\in (0;+\infty )\)
\(f(x + C)\),
where \(C\in (-\infty ;0)\)
Fixed Answer:
First Fixed