Compute, rounding to the nearest tenth.

A. 13.0
B. 1.2
C. 12.0
D. 1.3


Answer: B

Mathematics

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Find the cubic or quartic function that models the data in the table.  (Quartic)

A. y = -0.01x4 - 0.27x3 + 1.94x2 + 5.70x - 1.00 B. y = -0.02x4 + 0.22x3 + 1.96x2 - 5.72x - 1.00 C. y = 0.01x4 + 0.22x3 - 1.94x2 - 5.72x - 1.00 D. y = -0.01x4 + 0.27x3 - 1.94x2 + 5.70x - 1.00

Mathematics

Solve the equation.log2x = -3

A.
B.
C.
D.

Mathematics

Solve the equation. +  = - 

A. - 1
B. - 5
C.
D. - 

Mathematics

Solve the problem.Book sales on the Internet (in billions of dollars) in year x are approximated by f(x) = 1.84 + 2.1 ? ln x, where x = 0 corresponds to 2000. How much will be spent on Internet book sales in 2008? Round to the nearest tenth.

A. 6.2 billion B. 8.0 billion C. 6.0 billion D. 3.9 billion

Mathematics