Using the graph, determine the coordinates of the y-intercept of the parabola. 10
B
-10-9-87
-6-5-42
2 3 4 5 6 7 8 9
10
1
2
3

What is the inverse of the function f(x) = 2x + 1?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

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.