F(x)= (√2x-7)/(x-3) what is the smallest possible integer for x such that f(x) real values? please show steps. Thank you! just in case it's not clear, I am trying to write the square root of 2x-7 divided by x-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.