The equation that models the temperature y, in degrees Fahrenheit, after x hours can be represented as:
y = 49 + 7x
The graph of this equation is a straight line with a positive slope of 7. The y-intercept is 49, which represents the temperature at sunrise.
The temperature at sunrise is 49F. Each hour, the temperature rises 7F. Write an equation that models the temperature y, in degrees Fahrenheit, after x hours. What is the graph of the equation?
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