Round 0.485 correct to 1 significant figure

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.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2