emilymendez231 emilymendez231 17-12-2022 Mathematics Answered It took an escalator 9 seconds to descend to the ground level. What is the domain of this graph? Height (feet) NAONABN 2 24 22 20 0 1 C Escalator Height 3 4 5 6 7 8 9 10 11 12 Time (seconds)