Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x3 + 5x2 + 12x + 18
A. f(x) = (x + 3)(x + 1 + i
)(x - 1 - i
)
B. f(x) = (x - 3)(x + 5 + 1i)(x + 5 - 1i)
C. f(x) = (x - 3)(x + 5 + 1i)(x - 5 - 1i)
D. f(x) = (x + 3)(x + 1 + i
)(x + 1 - i
)
Answer: D
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Find all points where the function is discontinuous.
A. x = 1, x = 5 B. x = 4 C. x = 1, x = 4, x = 5 D. None
What term of the arithmetic sequence is the given number?5, 11, 17, . . . ; 287
A. 48 B. 46 C. 50 D. 47
Solve the system of equations by the addition method.
A. 
B. no solution
C. (5, 24)
D. (24, 5)
Online retail sales stood at $23.5 billion for 2000. For the next 2 years, they grew by 32.8% and 27.7% per year, respectively. For the next 6 years, online retail sales are projected to grow at 30.5%, 19.3%, 24.4%, 13.8%, 17.8%, and 10.3% per year, respectively. What are the projected online sales for 2008? Round your answer to the nearest tenth. ? $__________ billion
Fill in the blank(s) with the appropriate word(s).