SOLUTION: The following line graphs estimate the global temperature rise between the years of 2010 and 2040. Find the average rate of temperature change (the slope) of Model A: Status quo (i

Question 1173574: The following line graphs estimate the global temperature rise between the years of 2010 and 2040. Find the average rate of temperature change (the slope) of Model A: Status quo (in °C per year).
A line graph has "Year" on the horizontal axis and "Temperature rise (°C)" on the vertical axis. There are four models given and four lines.
The models are as follows.
Model A: Status quo
Model B: Shift to lower carbon fuels (natural gas)
Model C: Shift to renewable sources (solar, hydro, and wind power)
Model D: Shift to nuclear energy
The lines are as follows.
The line labeled A starts at 2010 on the horizontal axis and 0 on the vertical axis. It goes up and right to 2040 on the horizontal axis and 1.4 on the vertical axis.
The line labeled B starts at 2010 on the horizontal axis and 0 on the vertical axis. It goes up and right to 2040 on the horizontal axis and 1.0 on the vertical axis.
The line labeled C starts at 2010 on the horizontal axis and 0 on the vertical axis. It goes up and right to 2040 on the horizontal axis and 0.9 on the vertical axis.
The line labeled D starts at 2010 on the horizontal axis and 0 on the vertical axis. It goes up and right to 2040 on the horizontal axis and 0.7 on the vertical axis.
°C per year?
Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
.


All you need to do is to take °C from each line (from its right end) and to divide this temperature change by 2040-2010 = 30 years.


For example:


Model A:  You take  1.4°C  from the Line A (from its right end) and divide it by 30.

          Thus you obtain the ANSWER  for the model A: it is   degrees Celsius per year, or 0.0467°C per year.



Do the same for each of the remaining models B, C and D exactly as I instructed you with the model A.

It is of the 2 + 2 = 4 complexity level assignment.

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