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Across
  1. 3. a point where the concavity of a function changes.
  2. 4. a point where the first derivative is equal to 0.
  3. 7. when the second derivative of a function is negative.
  4. 8. it’s the point such as every other point of the function is always higher in the entire domain D.
Down
  1. 1. it is a relation that associates one and only one element of a group B to every element of a group A.
  2. 2. when the second derivative of a function is positive.
  3. 5. is the limit when h approaches to 0 of the incremental ratio
  4. 6. it’s the point such as every other point of the function is always lower in the entire domain D.