Question

An office building has 8 floors above the ground. On a line graph that models the average number of times the elevator stops on each floor each day, which values will be the x-coordinates?

Answer 1

Answer: A) D = {1, 2, 3, 4, 5, 6, 7, 8}

Explanation:

Answer 2

D = {1, 2, 3, 4, 5, 6, 7, 8}

Explanation:

The x-coordinates are the domain values for the function.

There is no 0 floor. The floors are not negative.

The correct answer is D = {1, 2, 3, 4, 5, 6, 7, 8}.

Answer choice on USA Test Prep is A