7. Two classes have our washes to raise money for class trips. A portion of the earnings will pay for using the two locations for the car that the earnings of the classes are proportional to the car wash

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