Question: 1.1. a. What is a rational expression? How would symbolize a rational expression? b. Explain why. is not a rational expression. sinx x-4 c.

1.1. a. What is a rational expression? How would symbolize a rational expression? b. Explain why. is not a rational expression. sinx x-4 c. Explain the difference between a proper versus improper rational expression.

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