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cm1_a - MAC 1105 Module Test 1 Name MULTIPLE CHOICE Choose...

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MAC 1105 Module Test 1 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. State whether the graph is or is not that of a function. 1) x 1 2 3 4 5 6 7 8 9 y 16 14 12 10 8 6 4 2 A) Yes B) No Answer: A Objective: (1.1) Determine If Graph Represents Function (Y/N) Determine whether or not the relationship shown in the table is a function. 2) x - 1 1 4 7 11 y - 9 - 6 9 - 9 2 Does the table define y as a function of x? A) Yes B) No Answer: A Objective: (1.1) Determine If Table Defines Function (Y/N) Solve the problem. 3) This chart shows the fees for an 18 - hole round of golf for each of the last 5 years at a local municipal golf course. Assume that this chart defines a function with the name of f. Find the value of x when f(x) = \$23. Year Fee 1995 \$22 1996 \$23 1997 \$26 1998 \$26 1999 \$30 A) 1997 B) 1998 C) 1996 D) 1999 Answer: C Objective: (1.1) Solve Apps: Functions and Graphs 1

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Decide whether or not the arrow diagram defines a function. 4) Domain Range A) No B) Yes Answer: B Objective: (1.1) Determine If Arrow Diagram Represents Function (Y/N) Solve the problem. 5) The function E(x) = 0.0041x 3 - 0.0035x 2 + 0.169x + 1.79 gives the approximate total earnings of a company, in millions of dollars, where x = 0 corresponds to 1996, x = 1 corresponds to 1997, and so on. This model is valid for the years from 1996 to 2000. Determine the earnings for 1997. Round to two decimal places if necessary. A) \$2.15 million B) \$1.97 million C) \$1.79 million D) \$1.96 million Answer: D Objective: (1.1) Solve Apps: Find, Interpret Function Value Determine whether or not the relationship shown in the table is a function.
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cm1_a - MAC 1105 Module Test 1 Name MULTIPLE CHOICE Choose...

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