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1.
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Perform the indicated operation. 
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2.
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Solve the equation. 
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3.
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Write the exponential expression using radicals. 
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4.
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Solve the nonlinear inequality. Express the solution using interval notation and
graph the solution set. 
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5.
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Factor the trinomial. 
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6.
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Express the interval in terms of inequalities.
(3, 6]
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7.
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Write the radical expression using exponents. 
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8.
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Solve the linear inequality. Express the solution using interval notation and
graph the solution set. 
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9.
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Perform the indicated operation. 
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10.
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Simplify the expression:  .
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11.
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Simplify the expression. 
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12.
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Simplify the expression. 
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