Given that f(x)=-x^2+12x-28 has a relative maximum at x=6 choose the correct statement. A. f' is negative on the interval (-infinity,6)
B. f' is positive on the interval (-infinity, infinity)
C. f' is negative on the interval (6, infinity)
D. f' is positive on the interval (6,infinity)
E. none of these

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m

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.