PLEASE GIVE A FULL EXPLANATION OF WORK (30PTS) AND WILL GIVE BRAINLIEST

Consider the two functions. Which statement is true? A) The rate of change for function A and function B are the same. B) The slope of function B is negative and the slope of function A is positive. C) The rate of change for function A is greater than the rate of change for function B. Eliminate D) The rate of change for function B is greater than the rate of change for function A.

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.