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Exercise 1: Know Me Better
Directions: Identify which of the following are rational functions.
5. f(x)= (4 + x)/(x+3)
6. f(x)= (x2 - 4x - 5)/(x - 1)
7. g(x)=(Vx+3)/(x2 - 1)
8. i(x)= 5 + x - 4x27x2 + 2x + 1