David walks 5 miles in 2 hours.

how many miles will he walk in 5 hours at the same rate?

a. 12 1/2

b. 15

c. 10

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