The first four terms of a sequence are shown.

5, 15, 45, 135, 405...

Write an explicit function to model the value of the nth term in the sequence such that f(1) = 5.

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.

Which strategy is used by public health to reduce the incidence of food poisoning?

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50