Exam 1: Equations and Inequalities
Exam 1: Fundamental Concepts of Algebra119 Questions
Exam 1: Equations and Inequalities94 Questions
Exam 2: Functions and Graphs97 Questions
Exam 3: Polynomial and Rational Functions105 Questions
Exam 4: Exponential and Logarithmic Functions92 Questions
Exam 5: Systems of Equations and Inequalities94 Questions
Exam 6: Matrices and Determinants94 Questions
Exam 7: Sequences, Series, and Probability92 Questions
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The revenue for selling x units of a product is
The cost of producing x units is
For the producer to obtain a profit, the revenue must be larger than the cost.For what values of x will this product return a profit? Round your answer to the nearest whole unit.
(Multiple Choice)
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Determine the number of real solutions of
by using the discriminant.
(Multiple Choice)
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The number of new privately-owned housing projects
(in thousands) started from 2000 to 2005 can be modeled by
where
represents the year, with
corresponding to 2000.Use the model to predict the year that about 1,600,000 new housing projects were started.
(Multiple Choice)
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The price of a home theater system has been discounted 18%.The sale price is $289.Find the original price of the system.
(Multiple Choice)
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Which of the following equations is not an identity equation?
(Multiple Choice)
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Solve the quadratic equation below using any convenient method. 
(Multiple Choice)
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A professional painter can paint a kitchen in 9 hours.His apprentice can paint the same kitchen in 12 hours. If they worked together, how long would it take for them to paint the kitchen?
(Multiple Choice)
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