Christina is tying tow pieces of string together to make a single piece. her knot will reduce the lenght of each piece by 1/4 inch. if one piece is 3 1/4 inches long and the other is 5 1/2 inches long, what will be the length of the single piece of string?

Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.