Develop Showing That the Slope of at Line Is Constant
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Read and try to solve the problem below.
80
60
A delivery company uses robot dogs to deliver packages in an
office building. The graph shows how long a robot dog can operate
for each hour its battery is charged.
Pick any two points on the line. Find the slope of the line between
these two points. Can you find another pair of points on the line
that gives you a different slope?
Operating Time (min)
40
20
0
0
1 2 3
Charging Time (h)