Use a graphing tool to solve the equation for x.
2^x-4=-4^x+4
A.
x ≈ 1.25
B.
x ≈ -1.5
C.
x ≈ 2.25
D.
x ≈ 0.25

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.