Final answer:
The mother of a baby with NOFTT should exhibit appropriate parenting behaviors such as providing additional nutritional support. Of the provided options, adding rice cereal to the baby's formula under medical supervision might be appropriate to increase caloric intake. The other practices are not generally advised due to various health risks.
Step-by-step explanation:
The subject of this question is health, specifically concerning the care of a child with nonorganic failure to thrive (NOFTT) being discharged from the hospital. The proper way for the mother to supplement the baby's nutrition would involve appropriate practices that help in the child's development and nutritional status. Although not specifically addressed in the provided information, option 4) Adds rice cereal to the baby's formula is often recommended in some cases to increase caloric intake and support better growth in babies with NOFTT, provided the baby is of appropriate age and it is done under medical supervision. The other options such as 1) putting the baby to bed with a bottle of formula, 2) feeding the baby through an enlarged hole in the nipple, and 3) facing a blank wall while feeding the baby are generally not recommended due to the risk of ear infections, aspiration, and lack of interaction respectively.