Let a and b be real numbers where a b 0. Which of the following functions could represent the graph below? w
W
f(x) = x(x – a)3(x – b)3
F(x) = (x – a)2(x – b)4
F(x) = x(x – a) ® (x – b)2
fx) = (x-2)(x-6)

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

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?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in