Indicate whether the sequence is arithmetic, geometric, or neither. Give the next two terms in the sequence.4, 12, 120, 1200, 12,000, . . .
A. Arithmetic; 120,000; 1,200,000
B. Neither; 120,000; 1,200,000
C. Geometric; 120,000; 1,200,000
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 
, x ? 2
A. f-1(x) = x2 - 2, x ? 0 B. f-1(x) = x + 2, x ? 0 C. Not a one-to-one function D. f-1(x) = x2 + 2, x ? 0
Mathematics
Find the area of the region that lies inside the first curve and outside the second curve.
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Mathematics
Graph the ellipse. Label the intercepts.4x2 + 9y2 = 36
A. (-2, 0), (2, 0), (0, -3), (0, 3)
B. (-2, 0), (2, 0), (0, -3), (0, 3)
C. (-3, 0), (3, 0), (0, -2), (0, 2)
D. (-3, 0), (3, 0), (0, -2), (0, 2)
Mathematics
Factor by grouping.15x4 + 10x2 - 6x2 - 4
A. (15x2 + 2)(x2 - 2) B. (5x2 + 2)(3x2 - 2) C. (5x4 - 2)(3x + 2) D. (5x2 - 2)(3x2 + 2)
Mathematics