A(r) is a function that gives the area of ta circle with the radius r. It can be written in an equation form as A(r)=3.14r^2. wh
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Answer: 50° Fahrenheit
Step-by-step explanation:
Here, the equation that shows the temperature of x degree Celsius in Fahrenheit is,
Where x is a variable.
Thus, For the temperature of 10° Celsius,
x = 10° Celsius
The temperature in Fahrenheit is,
Thus, the increasing temperature by 10° C is equivalent to increasing temperature by 50° F.
This circle is given in standard form 
, where 
is the ordered pair for the center of the circle.
Notice that in the equation, we have
and 
. When writing the ordered pair alone, we have to remember to flip the sign.
Therefore, we have
.
Notice that in the equation, we have
Therefore, we have