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Mathematics, 08.11.2019 04:31 ilpark0125

The elevation at ground level is 0 feet. an elevator starts 90 feet below ground level. after traveling for 15 seconds, the elevator is 20 feet below ground level. which statement describes the elevators rate of change during this 15 second interval?
a. the elevator traveled upward at a rate of 6 ft per second
b. the elevator traveled upward at a rate of 4 2/3 feet per second.
c. the elevator traveled downward at a rate of 6ft per second.
d. the elevator traveled downward at a rate of 4 2/3 feet per second

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