Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Find the domain of the rational function. 
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2.
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The average cost  for a manufacturer to produce x units
of a product is given by  . Describe the domain.
a. | all  | b. | all  | c. | all  | d. | all integers  | e. | all  |
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3.
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Multiply and simplify. 
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4.
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Multiply and simplify. 
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5.
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Multiply and simplify. 
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6.
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Combine and simplify. 
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7.
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Simplify the complex fraction. 
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8.
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Simplify the complex fraction. 
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9.
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Simplify the complex fraction. 
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10.
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Simplify the complex fraction. 
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11.
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Simplify the expression. 
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12.
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Use the function  to find and simplify the expression for  .
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13.
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Solve the equation. Check for extraneous solutions. 
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14.
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Solve the equation. Check for extraneous solutions. 
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15.
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Solve the equation. Check for extraneous solutions. 
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16.
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Write an equation that relates the variables. s is directly
proportional to the  of t
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17.
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Find the constant of proportionality given  , and  when  .
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18.
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Complete the table given below for  .
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19.
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Complete the table given below for  . 
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20.
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You and your college roommate travel to your respective hometowns in the same
amount of time. You drive  miles and your friend drives 
miles. Your friend’s average speed is 6 miles per hour lower than your average speed. What is
your average speed?
a. | miles per hour | b. |
miles per hour | c. | miles per hour | d. |
miles per hour | e. | miles per
hour |
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