This week, Theo walked x hours at a constant rate of 4 miles per hour and jogged y hours at a constant rate of 6 miles per hour. The total distance he walked and jogged this week was 36 miles. The relationship is modeled by this equation:
4x + 6y = 36.
Which statement is true about the graph of this relationship?
A. The graph is a line that goes through the points (9,0) and (0,6).
B. The graph is a line that goes through the points (6,0) and (0,9).
C. The graph is a line that goes through the points (-9,0) and (0,6).
D. The graph is a line that goes through the points (-6,0) and (0,9).
