Someone please help I will give brainliest and do free points after this is solved

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

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000