Jill got the expression 7x + 1 and then wrote her answer as 1x + 7. is her expression an equivalent expression? how do you know?

Which of the functions below could have created this graph?

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.

How does the graph of y = 3x compare to the graph of y = 3-x?