The function f(x)=125(0.9)x models the population of a species of fly in millions after x years. how does the average rate of change between years 11 and 15 compare to the average rate of change between years 1 and 5? a) the average rate of change between years 11 and 15 is about 1/3 the rate between years 1 and 5. b) the average rate of change between years 11 and 15 is about 1/2 the rate between years 1 and 5 . c) the average rate of change between years 11 and 15 is about 3 times the rate between years 1 and 5. d) the average rate of change between years 11 and 15 is about 2 times the rate between years 1 and 5 .

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =