4. For the function f(x) = x3 - 12x2+ 45x, a. local minimums and maximums.
b. intervals of increasing and decreasing.
C. inflection points
d. intervals of concavity.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?