Which function is the inverse of f(x) = 2x + 3? mc013-1.jpg mc013-2.jpg f-1(x) = –2x + 3 f-1(x) = 2x + 3

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.