An elevator is traveling underground at a constant rate. The equation y=−2x−10 can be used to represent this situation, where y is the position of the elevator underground in feet and x is the number of seconds the elevator has been traveling. Which statement best describes the position of the elevator, given this equation?

(a)From a starting position of 2 feet underground, the elevator is descending 10 feet per second.

(b)From a starting position of 10 feet underground, the elevator is ascending 2 feet per second.

(c)From a starting position of 10 feet underground, the elevator is descending 2 feet per second.

(d)From a starting position of 2 feet underground, the elevator is ascending 10 feet per second.

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