2 a b C 1 d Which scatterplot suggests a linear relationship between x and a 8 7 b 6 5 4 3 0 y 8 7 6 1 2 3 4 5 6 7 8 5 4 3 2 1 0 1 2 3 4 5678 C d Y As the length of the call increases the cost of the call increases As the length of the call increases the cost of the call remain the same As the length of a call increases the cost of the call decreases There is no relationship between the length of a call cost of a call 7 5 4 3 2 12345678 How can you distinguish between a scatterplot that suggests a linear relationship and a graph that does not 0 12345678 Y 8 7 6 5 4 3 2 14 0 Julie made 25 international long distance phone calls to London last month The scatterplot shows the length and cost of each phone call Which conclusion is best supported by the scatterplot Cost of Call dollars 4 Cost of International Long Distance Phone Calls 0 6 12 18 24 7 X