Which of the following lists of ordered pairs is a function? O A. (1,7), (2,5), (3,6), (4,1)
B. (3,-2), (2, -1), (3, 4), (4,7)
O C. (2,5), (3, 8), (4, 11), (4, 12)
OD. (0,4), (1, 2), (1,0), (2, 3)

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x