Perform the indicated operation. Write the answer in standard form.(-5 + 4i)(2 + i)
A. -6 - 13i
B. -14 - 13i
C. -6 + 3i
D. -14 + 3i
Answer: D
Mathematics
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Multiply the polynomials and simplify by combining like terms.(8y + 11)(3y2 - 2y - 2)
A. 24y3 - 16y2 - 16y + 11 B. 24y3 + 17y2 - 38y - 22 C. 57y2 - 38y - 38 D. 24y3 + 49y2 + 38y + 22
Mathematics
Solve the problem.The finite sequence whose general term is an = 0.11n2 - 1.06n + 7.29where n = 1, 2, 3, ..., 9 models the total operating costs, in millions of dollars, for a company from 1991 through 1999.Find 
A. $26.6 million B. $31.7 million C. $25.36 million D. $21.86 million
Mathematics
Find the integral.
Mathematics
Round to the nearest thousandth.310.79879
A. 310.798 B. 310.800 C. 310.799 D. 310.7987
Mathematics