Please help how do you do this

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. 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.

Indicate the formula for the following conditions: p^c(n,r)=