Problema Solution

The function T(x)=20x+80 describes how the temperature of an oven (T, in degrees Fahrenheit) changes with respect to time (x,measured in minutes). What does the y intercept tell you about the temperature in the oven?

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the y intercept tells us that the start temperature of the oven in the x = 0 minute is T(0) = 20*0 + 80 = 80 F.