A gast station owner calculates the cost of the gasoline he needs to purchase for the year and records it in the graph below. Which answer choice best describes the domain and range of the function in this situation? a. Domain All real numbers greater than or equal to All real numbers greater than or equal to b. Domain All real numbers greater than or equal to 0 and less than or equal to 13, Range real numbers greater than equal to and less than or equal to 50 c. Domain All Real numbers Range All real numbers d. Domain All real numbers greater than or equal to and less than or equal to 50 Range All real numbers greater than or equal to and less than or equal to 13