Relationship b has a lesser rate than relationship a. the graph represents relationship a. which table could represent relationship b? first-quadrant graph showing a ray from the origin through the points (2, 3) and (4, 6). horizontal axis label is time in weeks. vertical axis label is plant growth in inches. a. time (weeks) 3 6 8 10 plant growth (in.) 2.25 4.5 6 7.5 b. time (weeks) 3 6 8 10 plant growth (in.) 4.8 9.6 12.8 16 c. time (weeks) 3 4 6 9 plant growth (in.) 5.4 7.2 10.8 16.2 d. time (weeks) 3 4 6 9 plant growth (in.) 6.3 8.4 12.6 18.9