Select all the correct answers. Set of 4 graphs are represented in quadrant 1. Graph A shows a curve begins at (1, 8), goes through (2, 13), (3, 23), and ends at (4, 21). Graph B shows a curve begins at (1, 8), goes through (2, 13), (3, 11), and ends at (4, 21). Which graph shows a proportional relationship? graph A graph B graph C graph D