A dense bijection on R \mathbb{R} ?

Calculus Level pending

Are there any functions satisfying the following properties ?

( i ) f : R R is a bijection ( i i ) { ( x , f ( x ) ) , x R } is dense in R 2 (i) \hspace{7mm} f: \mathbb{R}\longrightarrow\mathbb{R} \ \text{is a bijection} \\ (ii) \hspace{5.7mm} \{(x,f(x)), \ x\in\mathbb{R}\} \ \text{is dense in} \ \mathbb{R}^2

Note: here dense means dense with respect to the classics norms on R 2 \mathbb{R}^2 such as 1 \lVert \cdot \rVert_1 or 2 \lVert \cdot \rVert_2 (which are equivalent).

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