Write (3b^3)^2 without exponents

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Which of the following tables represents exponential functions?