
Rate of change in temperature in degree Celsius per minute, based on the given graph.

Answer to Problem 55PFA
Rate of change in temperature in degree Celsius per minute is
Explanation of Solution
Given information: The following graph shows the temperature in degrees Celsius over time in minutes:
Formula/Concept used: Rate of change in graphical form is actually the slope of the line given using coordinates of these given dots. And slope of a line, from any two points, is calculated using the formula :
Unit rate = Slope of the line
Calculation: In given graph, two points shown can be considered as
Conclusion: So, as unit rate is
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