Crossword

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Across
  1. 4. generalization of the sum of infinite addends
  2. 5. operation where two functions say f and g generate a new function
  3. 6. a 3-sided polygon sometimes
  4. 8. expression of a quantity divided by another quantity
  5. 9. instantaneous rate of change with which the value of such mathematical function varies
Down
  1. 1. partially defined operation on the set of natural numbers and integers
  2. 2. a process of combining two or more numbers.
  3. 3. the repeated addition of groups of equal sizes.
  4. 4. a function that serves to “undo” another function.
  5. 7. abstract term used to describe the path of a continuously moving point