Question

Hailey’s new puppy, Sparky, weighed 4 pounds at six weeks old. If the puppy gains 2.5 pounds each month, after how many more months will Sparky weigh 14 pounds? Is this situation modeled by a linear function or an exponential function?

Answer 1

4 months

Explanation:

Answer 2

It will take 4 months, so when Sparky is 5 1/2 months old they will weigh 14 pounds

Explanation:

1. subtract 4 from 14, since parky already weighs 4 pounds

2. divide 10 b 2.5 to get 4 months