Given points A(-1, 5) and Z(2, -3), find AZ. A: square root of 5
B: square root of 21
C:3 square root 6
D:square root of 73

The parabola opens: y=√x-4 (principal square root) up down right left

Match the one-to-one functions with their inverse functions.

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?