2. Which of the following is a rational function? A. $$ f(x)=3 x+2 $$ B. $$ f(x)=\sqrt{x} $$ C. $$ f(x)=\left(x^{2}+1\right) /(x-3) $$ D. $$ f(x)=|x| $$ 3. Which of the following is a solution to the rational inequality: $$ (x-1) /(x+2)0 $$ ? A. $$ x1 $$ C. $$ -2

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2. Which of the following is a rational function? A. $$ f(x)=3 x+2 $$ B. $$ f(x)=\sqrt{x} $$ C. $$ f(x)=\left(x^{2}+1\right) /(x-3) $$ D. $$ f(x)=|x| $$ 3. Which of the following is a solution to the rational inequality: $$ (x-1) /(x+2)>0 $$ ? A. $$ x<-2 $$ B. $$ x>1 $$ C. $$ -2

Santiago Moreno · Accepted Answer

2. C. $$ f(x) = \frac{x^2 + 1}{x - 3} $$ 3. A. $$ x < -2 $$ and B. $$ x > 1 $$ 4. D. A store that sells different types of fruits and assigns a unique identification number to each fruit.

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