code: def relu(
      x: None, /, *, complex_mode="jax", out: Optional[None] = None
  ) -> None:
      return mx.nd.relu(x)
  
file_path: ivy/ivy/functional/backends/mxnet/activations.py
imports: import mxnet
  import numpy
  from ivy.utils.exceptions import IvyNotImplementedException
  from typing import Optional, Union
label_desc: Use image node_id 3 for calling a global function with example usage: relu() and returns: mx