Answer: The type of formula that is not diluted with water, before being administered to an infant is Ready-to-use. Option C
Explanation:. baby formula also known as infant formula, is usually made from cows' milk that has been treated to make it more suitable for babies. Infant Formula comes in 2 different forms:
-a dry powder you make up with water and
-a ready-to-feed liquid formula.
Ready to feed liquid formulas are usually expensive and is used immediately after being opened.