The equation of the point - slope form is y - 29 = 1.337(x - 40)
The general equation for the point- slope form is given by; y-y₁=m(x-x₁)
Note that the wind chill is y and the temperature of air is x. We are also told that the slope of the line is 1.337.
From the question;
x1 = 40°F
y1 = 29°F
Using the data provided to write the equation in a point - slope form, we have; y - 29 = 1.337(x - 40)
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