Exam 5: Rational Expressions, Equations, and Functions

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Divide and simplify. -Divide and simplify. -

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Multiply to obtain an equivalent expression. Do not simplify. -Multiply to obtain an equivalent expression. Do not simplify. -

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

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Perform the indicated operations and simplify. -Perform the indicated operations and simplify. -

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Simplify. -Simplify. -

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Find the domain. Write interval notation for the answer. -Find the domain. Write interval notation for the answer. -

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Find the LCM. -Find the LCM. -

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

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Perform the indicated operations and simplify. -Perform the indicated operations and simplify. -

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Find the domain. Write interval notation for the answer. -Find the domain. Write interval notation for the answer. -

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Divide and simplify. -Divide and simplify. -

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Find the LCM by factoring. -80, 90

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Find all numbers for which the rational expression is not defined. -Find all numbers for which the rational expression is not defined. -

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

(Multiple Choice)
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Multiply to obtain an equivalent expression. Do not simplify. -Multiply to obtain an equivalent expression. Do not simplify. -

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

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Find the LCM by factoring. -16, 19

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Simplify. -Simplify. -

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Add. Find the LCD first. -Add. Find the LCD first. -

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