4. The graph shows the height above the ground of a rock climber over time. a) Calculate the slope of the graph.

b) Interpret the slope as a rate of change.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance