(b) Graph the equation F = 2C + 32. (c) Use your graph from part (b) to approximate values for F when C = 25°, 30°, –30°, and -40°. (d) Check the accuracy of your readings from the graph 9 in part (c) by using the equation F = 2C + 32. 42. (a) The equation F = 2C + 32 can be used to convert from degrees Celsius to degrees Fahrenheit. Complete the following table. co 5 10 15 20 -5 -10 -15 -20 -25 F

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