19. An alligator was 38 inches long last year. This year it is 10% larger. How big is the alligator this year?
3.8 inches
34.2 inches
41.8 inches
48 inches
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If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

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.