Answer:
Graph y≤150−x (shading down)
Graph y≥120− 7/11x (shading up)
AgilityBalancecoordination PowerSpeedReaction time
The answer is A. Walking is the ideal work out before a run because it gets your body from sitting mode into workout mode in the least intense way. The motion of walking takes the muscles, tendons, and joints through a range of motion similar to what it will go through in running.