Level:
Project ID:
1003048507
Accepted:
1
Clonable:
0
Easy:
1
Let \( f \) be any periodic function. Identify which of the following statements is true.
The function \( f \) is not an injective (one-to-one) function.
\( D(f)=\mathbb{R} \).
The function \( f \) is bounded.
The function \( f \) is increasing.