How do you simplify (x^2+4x-1)-(x)

Find the missing part. use an improper fraction for your answer.

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

Which statement about 6x2 + 7x – 10 is true?