<PRE><B>Question 201325</B>
Degrees Fahreheit 32 122 185
Degrees Celsius 0 50 85 
Choose any two data points and use them to construct a linear equation that models the data, with x being Celsius and y Fahrenheit. Then use the equation to find the Fahrenheit temp corresponding to 40 Degrees Celsius
-----------------
Use (0,32) and (50,122)
slope = (122-32)/(50-0) = 9/5
-----
Form: F = mC + b
m = 9/5 and F = 32 when C = 0
32 = (9/5)*0 + b
b = 32
------------
Equation:
F = (9/5)C + 32
-----
Then use the equation to find the Fahrenheit temp corresponding to 40 Degrees Celsius
F(40) = (9/5)*40 + 32
F(40) = 72 + 32
F(40) = 104 degree
==============================
Cheers,
Stan H.
</PRE>