Which function represents exponential decay?
1) y=20.30
2) y = 1.2
3) y=13
4) y = 5

Jerome is a dietician who tracks his daily caloric intake from different sources of nutrients. Here are summary statistics for his daily values: Let T represent the total calories from fat, protein, and carbohydrates that Jerome consumes on a randomly chosen day. Find the standard deviation of T

The answe may be c