A pool toy is sinking at a constant rate toward the bottom of a pool. the equation y = -5x -4 can be used to represent this situation, where y is the depth of the toy in inches below water level and x is the number of minutes the toy has been sinking. Which statement BEST describes the depth of the pool toy, given this equation?
A. From a starting position of 4 inches below water level, the toy is ascending 5 inches per minute.
B. From a starting position of 4 inches below water level, the toy is descending 5 inches per minute.
C .From a starting position of 5 inches below water level, the toy is ascending 4 inches per munute.
D. From a starting position of 5 inches below sea leve, the toy is descending 4 inches per minute.