The function below shows the cost of an ice cream sundae with different numbers of toppings (f). f (t) = 2.25 +0.751. What is the y-intercept, and what does it mean in the context of this problem? O The y-intercept is 0.75 and it is the cost per topping added. O The y-intercept is 0.75 and it is the cost of the ice cream without any toppings. The y-intercept is 2.25 and it is the cost per topping added. The y-intercept is 2.25 and it is the cost of the ice cream without any toppings.