Evaluate the expression for the given replacement values.
x = 7, y = 4
A. 
B. 
C. 
D. 
Answer: A
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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
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Solve, rewrite in interval notation, and graph.5x - 8 ? -13 and 5x - 8 ? 7
A. (-1, 3)
B. [-1, 3)
C. (-1, 3]
D. [-1, 3]
Find the distance between the pair of points. Give an exact answer.(-2, -5) and (1, 1)
A. 3 units
B. 27 units
C. 27
units
D. 3
units