Can someone please help me with math
2 answers:
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The transformation is a reflection in the line 
followed by a reflection in the line 
.
The mapping for a reflection in the line is 
.
That is simply swapping the coordinates.
Now we reflect the resulting coordinates in the line which has the mapping 
So we transform the resulting coordinates as follows:
Hence we have
The mapping for a reflection in the line
That is simply swapping the coordinates.
Now we reflect the resulting coordinates in the line
So we transform the resulting coordinates as follows:
Hence we have
Given :
An airplane cuts through the morning sky for every 1,000 feet that he climbs the outside temperature drops 20° F.
To Find :
The rate of the temperature change in degrees Fahrenheit per foot.
Solution :
Let, rate of the temperature change in degrees Fahrenheit per foot is x.
So,
Therefore, rate of the temperature change in degrees Fahrenheit per foot is 0.02.
Hence, this is the required solution.