30POINTSWhich statements are true about the graph of the exponential function f(x)? Select all that apply
 The domain is all real numbers.
 The range is all real numbers.
 The f(x)-intercept is 1.
 There is no x-intercept.
 The function shows exponential growth

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.