This year, the class plans to collect only one material and use the money earned to pay the total cost for the field trip for the 30 students. The amount of money earned from recycling this year is different from last
year. .
• Cost per 1 pound of aluminum has decreased by 2 cents
• Cost per 1 pound of glass has increased by 3 cents
Select either aluminum or glass and determine how many pounds the class
needs to collect and recycle to pay for the field trip. Explain how you found
your answer.

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.