V X -1 m ON (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. O A. OB. OC. OD. Of (b) Find the equation of the line containing the points ( - 1, - 1) and (1,3). y=2x +0) (Type integers or simplified fractions.) (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. O A. O B. OC. OD