The temperature is -7 then rose 5 degrees

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd