The nth term of a sequence is given. Find the first 4 terms.an = 
n-1
A. -1, 
, 
, 
B. 0, 
, 
, 
C. 8, 1, 
, 
D. 1, 
, 
, 
Answer: D
Mathematics
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Find the nonreal complex solutions of the equation.5x2 - 5x + 7 = 0
A. 
B. 
C. 
D. 
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Find the area. Leave your answer in terms of pi.A circle with circumference 36? m
A. 81? m B. 1296? m C. 324? m D. 144? m
Mathematics
Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(cos 10° + i sin 10°)36
A. -1 B. i C. -i D. 1
Mathematics
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = x2 + 2x - 5
A. D: all real numbers; R: (y ? -5) B. D: all real numbers; R: (y ? -6) C. D: all real numbers; R: all real numbers D. D: all real numbers; R: (y ? -6)
Mathematics