Final answer:
The primary functions of all organizations include production/operations, finance/accounting, and marketing; research and development is not considered one of these core functions.
Step-by-step explanation:
The correct answer to the question is: Which of the following is NOT considered to be one of the three primary functions that all organizations perform? is research and development. The three primary functions that all organizations typically perform are production/operations, finance/accounting, and marketing. While research and development (R&D) is incredibly important for innovation and staying competitive, it is not classified as one of the core functions that every organization needs to perform to operate. The critical nature of R&D varies greatly depending on the industry and specific business model.