On Thursday night, Diana ate pizza for dinner and had 1/9 of the pizza left over. On Friday night, she ate 5/7 of what was left. How much pizza did Diana eat on Friday?

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