text: # What is the range of y = 2x-2?
  
  Aug 24, 2017
  
  Range of $y = \left(- \infty , + \infty\right)$
  
  #### Explanation:
  
  $y = 2 x - 2$
  
  $y$ is a straight line defined $\forall x \in \mathbb{R}$
  
  $y$ has no upper or lower bounds.
  
  Hence, the range of $y = \left(- \infty , + \infty\right)$
  
  This can be inferred from the graph of $y$ below.
  
  graph{2x-2 [-32.47, 32.48, -16.24, 16.23]}
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