Which of the following is the reciprocal of: x2 - 2x - 8 a. (x + 2)(x - 4) b. 1 (x + 2) c. 1 (x + 2)(x - 4) d. 1 (x - 8)

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