B. Applicants are given a math test would most likely be part of the company's selection function as the business needs production workers who have strong math skills. By giving a math test, the company can assess the applicants' math abilities and select those who meet the required standard for the job. Option A is not relevant to the selection process as it does not assess the applicants' math skills. Option C is training, which occurs after selection, not part of the selection process. Option D is related to compensation and not selection.