In which scenario can you reverse the dependent and independent variables and still have a meaningful real-world interpretation of slope?

as the amount of water vapor in the air increases, the rate at which you perspire increases.

as the amount of fuel consumed by a vehicle increases, the distance traveled by the vehicle increases.

as the amount of fertilizer used on a crop increases, the yield of that crop increases.

as the amount of rainfall in a region increases, the groundwater level in the region increases.

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

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step-by-step explanation: