Graph the function f(x)=-(x-2)^2 +4

Which of the following graphs represents the function f(x) = 2^x

Pranza plotted point a in the coordinate plane below.

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.