The earth is approximately 8.0x10^3 miles in diameter, from pole to pole. What number is the distance equivalent to? A. 800 thousand miles
B. 80 thousand miles
C. 8 thousand miles
D. .8 thousand miles

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