An investment group compares returns on an account against the function represented in the table, where x is the time in years and f(x) is the total return on investment.

Which describes the function over the interval given in the table?

a decreasing quadratic function
an increasing quadratic function
a decreasing exponential function
an increasing exponential function

Which term best describes the association between variables a and b

Why do interests rates on loans to be lower in a weak economy than in a strong one

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.