Which of the following is NOT a polynomial? A. 3x3 - 2x2 +9.
B. 4.22 - 2x - 3x-1
c. 5x² – 3x + 9
D. 2. – 7

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Point a is at 12, and point d is at 56. point c is midway between a and d, and point b is midway between a and c. which of these is the coordinate of b?

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?