Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -3; r = -4
A. a5 = -768; an = -3 ? (-4)n-1
B. a5 = 192; an = -3 ? (-4)n-1
C. a5 = -768; an = -3 ? (-4)n
D. a5 = 192; an = -3 ? (-4)n
Answer: A
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A. (3, 10)
B. (7, 1)
C. (1, 7)
D. No solution, inconsistent
Solve the problem.Suppose that the amount of oil pumped from a well decreases at the continuous rate of 
per year. When, to the nearest year, will the well's output fall to one-eighth of its present value?
A. 19 years B. 13 years C. 9 years D. 2 years
Use the accompanying table to find the solutions to the given equation on 
tan ? - tan2 ? = 0
Y1 = tan(X)-(tan(X))2
A. None B. 135°, 315° C. 0°, 45°, 180°, 225° D. 90°, 270°
Evaluate.(-3)0- 30
A. -1 B. 1 C. 0 D. 3