Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by  At the same time the population of East Goma in millions was modeled by In both formulas x is the year, where  corresponds to September 1998. Assuming these trends continue, estimate the year when the population of West Goma will equal the population of East Goma.

A. 1986
B. 2010
C. 12
D. 2009


Answer: B

Mathematics

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Find the standard equation of the hyperbola.Vertices at (±5, 0), foci at (±11, 0)

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

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Factor completely.5x3 + 15x2y - 50xy2

A. 5x(x + 2y)(x - 5y) B. 5x(x - 2y)(x + 5y) C. (x - 2y)(5x2 + 25xy) D. prime

Mathematics

Solve.4x3 - 8x2 = 12x

A. x = 0, 1, -3 B. x = -1, 3 C. x = 1, -3 D. x = -1, 0, 3

Mathematics

Solve the problem.In one city, the local cable TV company charges $3.72 for each pay-per-view movie watched. In addition, each monthly bill contains a basic customer charge of $20.50. If last month's bills ranged from a low of $31.66 to a high of $83.74, over what range did customers watch  movies?

A. movies watched varied from 4 to 18 inclusive B. movies watched varied from 3 to 17 inclusive C. movies watched varied from 2 to 16 inclusive D. movies watched varied from 2 to 18 inclusive

Mathematics