Question: 4. Decide whether the given statement is always, sometimes, or never true. Give a reason for your answer.a. Rational expressions contain exponents.b. Rational expressions are

true. Give a reason for your answer.a. Rational expressions contain exponents.b. Rational

4. Decide whether the given statement is always, sometimes, or never true. Give a reason for your answer.a. Rational expressions contain exponents.b. Rational expressions are undefined for values of the variables that make the denominator 0.c. Restrictions on the variables change when a rational expression is simplified.

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