wendy took her brother eliot to lunch at a restaurant. The cost of the food was 40 before tax to tip. The tax was 4% of the cost of the food and the tip was 16% of the pre-tax amount. What was the total cost of eating lunch at the restaurant?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done