Determine the first five terms of the geometric sequence.a1 = -5, r = -4
A. -4, 20, -80, 320, -1280
B. -5, -20, -80, 320, -1280
C. -5, -9, -13, -17, -21
D. -5, 20, -80, 320, -1280
Answer: D
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Provide an appropriate response.Explain briefly what Fairness Criterion 1 means and give a voting method that may violate this criterion.
What will be an ideal response?
Provide an appropriate response.Subtract: 98 - 6.73
A. 97.37 B. 91.27 C. 92.37 D. 3.83
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = cos-1(x2 + y2)
A. Domain: all points in the x-y plane; range: all real numbers; level curves: circles with centers at (0, 0)
B. Domain: all points in the x-y plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0,0) and radii r, 0 < r ? 1
C. Domain: all points in the x-y plane; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
D. Domain: all points in the x-y plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = - log (x) B. y = log (-x) C. y = - log (-x) D. y = log (x)