4a. Consider A = {-3,-2,0, 2} and the mapping, x = -2x2 – 1. Find B, the set onto which A is mapped. 4b. Determine whether or not the mapping is a function and explain why or why not.

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is