The number of taxi accidents is approximated by y = -143.3 x^2 + 1823.3x + 6820 and the number of injuries is approximated by y equals -416.72x^2 + 4416.7x + 8500y. Let x=0 represents? 1990, x=1 represents? 1991, and so on. (see full problem below)

\fThe number at taxi accidents is approximated by y = - 143.3:2 + 1523.33. + 5320 and the number at injuries is appreximeted by y = 41E.T2x + 4415}: + EDD. Let x=D represents 199th x =1 represents '1991.end en en. Awarding tn the en uatien fer the number ef accidents, if the trend eentinued. hew man}:r taxi aeeidents eeeurred in 1999'? D [Reund tb the nearest integer}