Which pair of functions have graphs that are symmetric to one another with respect to the x-axis? A. Y=5 ^x + 1;Y =5^x -1
B. Y=5^x-1; 5^x-1
C. Y=5^x-1; -5^x-1
D. Y=5^x-1; 5^1-x​

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?