What is the inverse function of f(x) = 4x + 3? a) f(x)-1 = x - 3 4 b) f(x)-1 = x - 4 3 c) f(x)-1 = 1 3 x + 3 d) f(x)-1 = 1 4 x - 4

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain