Felicia is thinking of buying some 2-liter sodas which are on sale for $0.85 each. The total cost (c) of all the 2-liter sodas will be proportional to the number of 2-liter sodas (s) that she buys. Which equation represents the relationship between c and s
c=0.85−s
c=0.85+s
c=0.85×s
c=0.85÷s

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.