The graph shows two functions, f(x) and g(x). If the functions are combined so that h(x) = f(x) – g(x), then the domain of the function h(x) is x ≥

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?