Solve the problem.The functionE(x) = 0.0033x3 - 0.0046x2 + 0.177x + 1.65gives the approximate total earnings of a company, in millions of dollars, where x = 0 corresponds to 1996, x = 1 corresponds to 1997, and so on. This model is valid for the years from 1996 to 2000. Determine the earnings for 1999.
A. $2.5 million
B. $2.23 million
C. $2.01 million
D. $2.31 million
Answer: B
Mathematics
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Solve.Determine the area of a circular enclosure and a square enclosure made with 236 meters of fence.
A. Circular: 4432 m2; square: 3481 m2 B. Circular: 4432 m2; square: 13,924 m2 C. Circular: 3022 m2; square: 13,924 m2 D. Circular: 3022 m2; square: 3481 m2
Mathematics
Evaluate 
.
A. 40,320
B. 362,880
C. 
D. 9
E. none of these
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.(5an + 4)(5an - 4)
A. 25an - 16 B. 25a2n + 40an - 16 C. 5a2n - 16 D. 25a2n - 16
Mathematics