Find all numbers for which the rational expression is undefined. 
A. x = 3 and x = 6
B. x = -9 and x = 9
C. x = -3 and x = -6
D. x = 0
Answer: A
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Solve the problem.Suppose that certain bacteria can double their size and divide every 30 minutes. Write a recursive sequence that describes this growth where each value of n represents a 30-minute interval. Let a1 = 424 represent the initial number of bacteria present.
A. a1 = 424; an = 2 an-1 for n > 1.
B. an = 2 a1 for all values of n.
C. a1 = 424; an = 
an-1 for n > 1.
D. a1 = 424; an = 2 an+1 for n > 1.
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
If the Borda count method is used to determine the winner and Clark drops out, is the irrelevant alternatives criterion satisfied?
A. Yes B. No
Find the assessed valuation for the property.Fair market value:$1,355,000Rate of assessment:69%
A. $9,349,500 B. $467,475 C. $934,950 D. $420,050