College Algebra (Abridged)

1.14 Chapter One Review Question 1: A firm that manufactures leather belts evaluates its costs and revenues. The results show that the firm incurs an average fixed cost of $2400 per week while the variable costs amount to $4.50 per belt. The average revenue earned by the firm is $7.50 per belt. Calculate the number of belts the firm should manufacture in order to break even. a. 800 b. 300 c. 200 d. 1000 Question 2: The functions ( ) and ( ) are defined as: ( ) = + 5 ( ) = | − 7| What is the value of ( ( − 2)) ? a. 10 b. 0 c. 14 d. − 4 Question 3: Which of the following describes the possible value of for this quadratic equation? 2 − 3 − 10 = 0

a. 2, − 5 b. 5, − 2 c. − 2, − 5 d. 2, 5

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