Lenny buys four items in a store for a total price of $45.50. There is a sale and all of the items are discounted 20%.
Afterwards, there is a sales tax of 5%.
What is the final price of all of the items?

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)