The demand x is the number of items that can be sold at a price of Sp. For x = p* - 5p3 + 1100, find the rate of change of p with respect to x by differentiating implicitly. The rate of change of the price p with respect to the demand x is
4p-5

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?