an ice cream truck operator tracks total daily sales rounded to nearest dollar for 14 days as shown in the following 1: $201 2:$249 3: $285 4:$297 5:$288 6:$262 7:$256 8:$240 9:$210 10:$199 11:$192 12:$215 13:$237 14:$2 90 based on a cubic model of the data what is the predicted number of sales on the 15th day
