Answer the question.If n is an even number, then which of the following statements is true?
A. The equation xn + 1 = 0 has at least one real root.
B. The equation xn + 1 = 0 has exactly one real root.
C. The equation xn + 1 = 0 has n + 1 roots.
D. The equation xn + 1 = 0 has n nonreal roots.
Answer: D
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Use the given sets to determine the solution set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}(A ? B') ? (B ? A')
A. {u, w, z} B. {q, s, u, w, y, z} C. {u, w, y, z} D. {q, s, y}
Evaluate the given integral by using three terms of the appropriate series, rounding the result to four decimal places.
A. 0.1216 B. 0.5877 C. 0.5620 D. 0.1801
Find the difference.-2 - 14
A. -16 B. -12 C. 12 D. 16
Find the x- and y-intercepts of the graph of the equation. 10y - 2x = -4
A. x-intercept: -2; y-intercept: - 
B. x-intercept: - 
; y-intercept: -2
C. x-intercept: 2; y-intercept: - 
D. x-intercept: - 
; y-intercept: 2