The number of taxi accidents is approximated by y

equals negative 143.3 x squared plus 1823.3 x plus 6820

y=−143.3×2+1823.3x+6820 and the number of injuries is approximated by y equals negative 416.72 x squared plus 4416.7 x plus 8500

y=−416.72×2+4416.7x+8500.

Let xequals

=0 represents​ 1990, xequals

=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 1999

1999​?

11622

11622 ​(Round to the nearest​ integer.)

Use the equation for the number of injuries to approximate the number of people injured in 1999

1999.

nothing

​(Round to the nearest​ integer.)

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