Write the Word or Phrase That Best Completes Each Statement $$f ( x ) = 4 x ^ { 3 } - 6 x + 2 ; x = - 4$$

Short Answer

Write the word or phrase that best completes each statement or answers the question.
- $$f ( x ) = 4 x ^ { 3 } - 6 x + 2 ; x = - 4$$