How can you write arithmetic and geometric sequences using recursive and explicit formulas modeled in a real world context?

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️