Je ne comprends pas cette exercice qui est le 84 p 446 du livre trans math collège 2016 ​

answer: i believe c. is the answer sorry if i am wrong

step-by-step explanation:

- "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."

125 yards

step-by-step explanation:

i take 75 plus 50.

answer: yes, since the line has a steeper rate of change than the exponential the y-values will be greater and they will only intersect one time.