The function P(x) = - 0.015x ^ 2 + 1.2x - 11.5 gives the profit, in thousands of dollars, a company sells a new product atd dollars per unit. Which of the following statements be interprets the average rate of change of this function from x = 50 to x = 55 ? PLS HELPPP

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?