Square root of 50 + square root of 2

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

How do you solve a question like this?

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