Discussion
The number of taxi accidents is approximated by y=-143.3x2+1823.3x+6820 and the number of injuries is approximated by y = -416.72x2 + 4416.7x + 8500. Let x=0 represents 1990, x=1 represents 1991, and so on. According to the equation for the number of accidents, if the trend continued, how many taxi accidents occurred in 1995? 1990-6,820 accidents, 1993-11,000 accidents, 1996-12,601 accidents.