Find the limit


Mathematics

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Solve the problem.The number of mobile phones sold in a given year is approximated by  where x represents the number of years since mobile phones became readily available. The corresponding polynomial for phones is   Find the polynomial that represents how many more mobile phones than phones were sold in a given year.

A. -4x4 + x3 + 5x2 - 9x + 11 B. 4x4 - x3 + 13x2 - 3x + 9 C. -4x4 - x3 - 2x + 10 D. -4x4 + x3 + 12x2 + 3x - 9

Mathematics

Write the first four terms of the sequence whose general term is given.an = 3n

A. 1, 8, 27, 64 B. 9, 27, 81, 243 C. 1, 3, 9, 27 D. 3, 9, 27, 81

Mathematics

Graph the hyperbola and label all intercepts.9x2 - 16y2 = 144

A.

(-4, 0), (4, 0)
B.

(0, 4), (0, -4)
C.

(0, 3), (0, -3)
D.

(-3, 0), (3, 0)

Mathematics

Simplify.

A.
B. b
C.
D.

Mathematics