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table to function - linear vs exponential

  • Writer: Tom Keeler
    Tom Keeler
  • Feb 5
  • 1 min read

How do you know from a table if the function is linear or exponential?

In the example below, for each step of x, the y is multiplied by 2. If it were linear, there would be a constant increase with each step. Here the increase in y is 5 when the input goes from 0 to 1 but is 10 when x goes from 1 to 2.



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