Which interval contains a local minimum for the graphed function?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?