In which of the following functions would it be appropriate to use only positive interferes for the domain? Select all that apply

- The function c(p) represents the cost for (p) people to attend the movies.
- The function m(t) represents the miles driven over t hours
- The function t(m)represents the average high temperature for a given number of months
- The function p(w) represents the profit of a farmer who sells (w) whole watermelons
- The function h(n) represents the number of person-hours it takes to assemble (n) engines in a factory