State an explicit rule for the nth term of the recursively-defined sequence.an = 8 ? an-1; a1 = 5
A. an = 8 ? 5n-1
B. an = 8 ? 5n
C. an = 5 ? 8n
D. an = 5 ? 8n-1
Answer: D
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Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-3
A. 
B. 
C. 
D. 
For the compound inequality, give the solution set in both interval and graph forms.4x > 4 and x + 5 < 5
A. ?
B. [-1, 0)
C. (-1, 0]
D. [-1, 0]
Solve the problem.From a boat on the river below a dam, the angle of elevation to the top of the dam is 18°48'. If the dam is 734 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot)?
A. 2146 ft B. 2156 ft C. 2126 ft D. 2136 ft
The graph of a function f is given. Use the graph to answer the question.How often does the line y = -100 intersect the graph?
A. once B. twice C. three times D. does not intersect