3) Suppose the following indexed scores represent performance on a new survey meant to understand an individual's level of depression. Suppose a score of above 20 represents a depressed individual based on the survey design. Score 13.5 15.7 14.3 16.7 21.2 20.7 22.3 17.4 16.8 12.4 A) What is the average score for the depression scale in this group of individuals? B) What is the median score for the depression scale in this group of individuals? C) What is the relative frequency of those individuals that represent depressed individuals?

For following function, select (on the same set of coordinate axes) a graph of function for c = 3, 1 and–3. [x²+c,x<0 -x2+c, x20 f(x) = -5 -4 -3 -2\-1. 5 3 4 2+ -3 2 + -5 -4 -3 -2 + 3 4 5 1 2 -2 -3 -5

According to the table above please answer d and e as well.

Let a = (5, 1, −1) and | 6 6 = (2, 1, 4). Find a. b.