Simplify x (2x - 1) + 5 and find its value at x=3

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Combine the information in the problem and the chart using the average balance method to solve the problem.

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?