The cost in dollars, y, have a large pizza with extra toppings from Pat’s pizzeria can be modeled by a linear function. A large pizza with no toppings costs $14.00. A large pizza with 2 toppings costs

The cost in dollars, y, have a large pizza with extra toppings from Pat’s pizzeria can be modeled by a linear function. A large pizza with no toppings costs $14.00. A large pizza with 2 toppings costs $17.50

What is the cost of a pizza with 5 toppings? Round to the nearest penny.