Choosing a Function Family for Data Worksheet with Answer Key

What's on the worksheet

1. Fill in the blanks so each table fits the family named.
2. Name the family from each rule and the number that stays constant in its table.
   y = 5 - 3xy = 3x^2 + xy = 6(1.5)^xy = (x - 1)(x + 4)y = 2^{x + 3}
3. Amara's seedling: write a linear and an exponential rule from two heights.
4. Generator fuel gauge: pick the best model from the readings.
5. Braking distance table: decide which family fits the data.
6. Bacteria after an antibiotic: choose and use a model.
7. Check Hiro's claim that his table is exponential, and say what family it is.