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Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-word example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so, give one. If not, explain why it is not possible.
The temperature F, in degrees Fahrenheit, that corresponds to a temperature C, in degrees Celsius, is given by the equation F = (9/5)C + 32. If you graph this equation for 0 ¡ÜC ¡Ü100, you will notice that the point whose coordinates are (45,113) is on the graph. Write a sentence that describes the meaning of this ordered pair.